diff --git a/app/src/main/java/com/owncloud/android/ui/activity/UploadFilesActivity.kt b/app/src/main/java/com/owncloud/android/ui/activity/UploadFilesActivity.kt
index a951b9304fe9..d641f7c9a027 100644
--- a/app/src/main/java/com/owncloud/android/ui/activity/UploadFilesActivity.kt
+++ b/app/src/main/java/com/owncloud/android/ui/activity/UploadFilesActivity.kt
@@ -18,6 +18,7 @@ import android.accounts.Account
 import android.annotation.SuppressLint
 import android.app.Activity
 import android.content.Intent
+import android.graphics.Color
 import android.os.Bundle
 import android.os.Environment
 import android.view.Menu
@@ -28,6 +29,8 @@ import android.widget.AdapterView
 import android.widget.ArrayAdapter
 import androidx.activity.OnBackPressedCallback
 import androidx.appcompat.widget.SearchView
+import androidx.core.graphics.BlendModeColorFilterCompat
+import androidx.core.graphics.BlendModeCompat
 import androidx.core.view.MenuProvider
 import com.nextcloud.android.common.ui.theme.utils.ColorRole
 import com.nextcloud.client.account.User
@@ -245,6 +248,8 @@ class UploadFilesActivity :
     private fun setupToolbarSpinner() {
         mToolbarSpinner.visibility = View.VISIBLE
         mToolbarSpinner.adapter = directories
+        mToolbarSpinner.background.colorFilter =
+            BlendModeColorFilterCompat.createBlendModeColorFilterCompat(Color.TRANSPARENT, BlendModeCompat.SRC_IN)
         mToolbarSpinner.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
             override fun onItemSelected(parent: AdapterView<*>, view: View, position: Int, id: Long) {
                 repeat(position) { onBackPressedDispatcher.onBackPressed() }
diff --git a/app/src/main/java/com/owncloud/android/ui/activity/uploadfiles/UploadBehaviourSelector.kt b/app/src/main/java/com/owncloud/android/ui/activity/uploadfiles/UploadBehaviourSelector.kt
index b81558580f0e..91cfbe984a69 100644
--- a/app/src/main/java/com/owncloud/android/ui/activity/uploadfiles/UploadBehaviourSelector.kt
+++ b/app/src/main/java/com/owncloud/android/ui/activity/uploadfiles/UploadBehaviourSelector.kt
@@ -8,6 +8,8 @@ package com.owncloud.android.ui.activity.uploadfiles
 
 import android.widget.ArrayAdapter
 import androidx.appcompat.app.AppCompatActivity
+import androidx.core.content.ContextCompat
+import androidx.core.graphics.drawable.DrawableCompat
 import com.nextcloud.client.preferences.AppPreferences
 import com.owncloud.android.R
 import com.owncloud.android.databinding.UploadFilesLayoutBinding
@@ -40,9 +42,19 @@ class UploadBehaviourSelector(
             activity.getString(R.string.uploader_upload_files_behaviour_upload_and_delete_from_source)
         )
 
-        spinner.adapter = ArrayAdapter(activity, android.R.layout.simple_spinner_item, behaviours).apply {
+        // custom spinner item layout for NMC
+        spinner.adapter = ArrayAdapter(activity, R.layout.simple_spinner_item, behaviours).apply {
             setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item)
         }
+
+        // NMC Customization for dropdown icon tinting
+        val background = DrawableCompat.wrap(spinner.background).mutate()
+        DrawableCompat.setTintList(
+            background,
+            ContextCompat.getColorStateList(activity, R.color.spinner_color_state)
+        )
+        spinner.background = background
+
         spinner.setSelection(preferences.uploaderBehaviour)
     }
 
diff --git a/app/src/main/java/com/owncloud/android/ui/adapter/SyncedFolderAdapter.kt b/app/src/main/java/com/owncloud/android/ui/adapter/SyncedFolderAdapter.kt
index 63e953b3425d..963fadfc45cc 100644
--- a/app/src/main/java/com/owncloud/android/ui/adapter/SyncedFolderAdapter.kt
+++ b/app/src/main/java/com/owncloud/android/ui/adapter/SyncedFolderAdapter.kt
@@ -14,6 +14,7 @@ import android.view.MenuItem
 import android.view.View
 import android.view.ViewGroup
 import android.widget.PopupMenu
+import androidx.appcompat.view.ContextThemeWrapper
 import androidx.annotation.VisibleForTesting
 import androidx.core.content.ContextCompat
 import androidx.core.view.isVisible
@@ -374,7 +375,9 @@ class SyncedFolderAdapter(
     }
 
     private fun onOverflowIconClicked(section: Int, item: SyncedFolderDisplayItem, view: View) {
-        val popup = PopupMenu(context, view).apply {
+        // NMC Customisation
+        val ctw = ContextThemeWrapper(context, R.style.CustomPopupTheme)
+        val popup = PopupMenu(ctw, view).apply {
             inflate(R.menu.synced_folders_adapter)
             setOnMenuItemClickListener { i: MenuItem -> optionsItemSelected(i, section, item) }
             menu
diff --git a/app/src/main/java/com/owncloud/android/ui/adapter/uploadList/UploadListAdapter.kt b/app/src/main/java/com/owncloud/android/ui/adapter/uploadList/UploadListAdapter.kt
index 71ea3dfa7906..4730d42de4e0 100644
--- a/app/src/main/java/com/owncloud/android/ui/adapter/uploadList/UploadListAdapter.kt
+++ b/app/src/main/java/com/owncloud/android/ui/adapter/uploadList/UploadListAdapter.kt
@@ -15,6 +15,7 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.PopupMenu
+import androidx.appcompat.view.ContextThemeWrapper
 import androidx.lifecycle.lifecycleScope
 import com.afollestad.sectionedrecyclerview.SectionedRecyclerViewAdapter
 import com.afollestad.sectionedrecyclerview.SectionedViewHolder
@@ -174,7 +175,9 @@ class UploadListAdapter(
     }
 
     private fun showFailedPopupMenu(holder: HeaderViewHolder) {
-        PopupMenu(activity, holder.binding.uploadListAction).apply {
+        // NMC Customisation
+        val ctw = ContextThemeWrapper(activity, R.style.CustomPopupTheme)
+        PopupMenu(ctw, holder.binding.uploadListAction).apply {
             inflate(R.menu.upload_list_failed_options)
             setOnMenuItemClickListener { item ->
                 when (item.itemId) {
@@ -199,7 +202,9 @@ class UploadListAdapter(
     }
 
     private fun showCancelledPopupMenu(holder: HeaderViewHolder) {
-        PopupMenu(activity, holder.binding.uploadListAction).apply {
+        // NMC Customisation
+        val ctw = ContextThemeWrapper(activity, R.style.CustomPopupTheme)
+        PopupMenu(ctw, holder.binding.uploadListAction).apply {
             inflate(R.menu.upload_list_cancelled_options)
             setOnMenuItemClickListener { item ->
                 when (item.itemId) {
@@ -519,7 +524,9 @@ class UploadListAdapter(
     override fun onBindFooterViewHolder(holder: SectionedViewHolder?, section: Int) = Unit
 
     private fun showItemConflictPopup(item: OCUpload, view: View) {
-        PopupMenu(activity, view).apply {
+        // NMC Customisation
+        val ctw = ContextThemeWrapper(activity, R.style.CustomPopupTheme)
+        PopupMenu(ctw, view).apply {
             inflate(R.menu.upload_list_item_file_conflict)
             setOnMenuItemClickListener { menuItem ->
                 if (menuItem.itemId == R.id.action_upload_list_resolve_conflict) {
diff --git a/app/src/main/java/com/owncloud/android/ui/fragment/GalleryFragment.kt b/app/src/main/java/com/owncloud/android/ui/fragment/GalleryFragment.kt
index b7f9be66a458..c0546f75342e 100644
--- a/app/src/main/java/com/owncloud/android/ui/fragment/GalleryFragment.kt
+++ b/app/src/main/java/com/owncloud/android/ui/fragment/GalleryFragment.kt
@@ -26,6 +26,7 @@ import android.view.ScaleGestureDetector
 import android.view.View
 import android.view.ViewGroup
 import androidx.activity.result.contract.ActivityResultContracts
+import androidx.core.content.ContextCompat
 import androidx.core.view.MenuHost
 import androidx.core.view.MenuProvider
 import androidx.lifecycle.Lifecycle
@@ -121,7 +122,13 @@ class GalleryFragment :
                 override fun onCreateMenu(menu: Menu, menuInflater: MenuInflater) {
                     menuInflater.inflate(R.menu.fragment_gallery_three_dots, menu)
                     val menuItem = menu.findItem(R.id.action_three_dot_icon)
-                    viewThemeUtils.platform.colorMenuItemText(requireContext(), menuItem)
+                    // NMC customization
+                    menuItem.icon = menuItem.icon?.let {
+                        viewThemeUtils.platform.colorDrawable(
+                            it,
+                            ContextCompat.getColor(requireContext(), R.color.fontAppbar)
+                        )
+                    }
                 }
 
                 override fun onMenuItemSelected(menuItem: MenuItem): Boolean {
diff --git a/app/src/main/java/com/owncloud/android/ui/fragment/OCFileListFragment.java b/app/src/main/java/com/owncloud/android/ui/fragment/OCFileListFragment.java
index e1fdf9a331a5..1eae6448c552 100644
--- a/app/src/main/java/com/owncloud/android/ui/fragment/OCFileListFragment.java
+++ b/app/src/main/java/com/owncloud/android/ui/fragment/OCFileListFragment.java
@@ -921,7 +921,8 @@ public boolean onCreateActionMode(ActionMode mode, Menu menu) {
 
             final MenuItem item = menu.findItem(R.id.custom_menu_placeholder_item);
             if (item.getIcon() != null) {
-                item.setIcon(viewThemeUtils.platform.colorDrawable(item.getIcon(), ContextCompat.getColor(requireContext(), R.color.white)));
+                // NMC customization
+                item.setIcon(viewThemeUtils.platform.colorDrawable(item.getIcon(), ContextCompat.getColor(requireContext(), R.color.fontAppbar)));
             }
 
             mActiveActionMode.invalidate();
diff --git a/app/src/main/java/com/owncloud/android/ui/preview/media/PreviewMediaFragment.kt b/app/src/main/java/com/owncloud/android/ui/preview/media/PreviewMediaFragment.kt
index 7acbfab9cedf..8aa2c8771f1b 100644
--- a/app/src/main/java/com/owncloud/android/ui/preview/media/PreviewMediaFragment.kt
+++ b/app/src/main/java/com/owncloud/android/ui/preview/media/PreviewMediaFragment.kt
@@ -341,10 +341,11 @@ class PreviewMediaFragment :
                     val item = menu.findItem(R.id.custom_menu_placeholder_item)
 
                     item.icon?.let {
+                        // NMC customization
                         item.setIcon(
                             viewThemeUtils.platform.colorDrawable(
                                 it,
-                                ContextCompat.getColor(requireContext(), R.color.white)
+                                ContextCompat.getColor(requireContext(), R.color.fontAppbar)
                             )
                         )
                     }
diff --git a/app/src/main/java/com/owncloud/android/ui/preview/media/PreviewPlaybackFragment.kt b/app/src/main/java/com/owncloud/android/ui/preview/media/PreviewPlaybackFragment.kt
index 1f38e0d939d5..d21f33ff5918 100644
--- a/app/src/main/java/com/owncloud/android/ui/preview/media/PreviewPlaybackFragment.kt
+++ b/app/src/main/java/com/owncloud/android/ui/preview/media/PreviewPlaybackFragment.kt
@@ -151,7 +151,7 @@ class PreviewPlaybackFragment :
                         item.setIcon(
                             viewThemeUtils.platform.colorDrawable(
                                 it,
-                                ContextCompat.getColor(requireContext(), R.color.white)
+                                ContextCompat.getColor(requireContext(), R.color.fontAppbar)
                             )
                         )
                     }
diff --git a/app/src/main/java/com/owncloud/android/ui/trashbin/TrashbinFragment.kt b/app/src/main/java/com/owncloud/android/ui/trashbin/TrashbinFragment.kt
index f05adbcdc373..c2a07b83185c 100644
--- a/app/src/main/java/com/owncloud/android/ui/trashbin/TrashbinFragment.kt
+++ b/app/src/main/java/com/owncloud/android/ui/trashbin/TrashbinFragment.kt
@@ -24,6 +24,7 @@ import android.widget.TextView
 import androidx.annotation.IdRes
 import androidx.annotation.VisibleForTesting
 import androidx.core.content.ContextCompat
+import androidx.appcompat.view.ContextThemeWrapper
 import androidx.core.content.res.ResourcesCompat
 import androidx.core.view.MenuHost
 import androidx.core.view.MenuProvider
@@ -253,7 +254,9 @@ class TrashbinFragment :
     }
 
     override fun onOverflowIconClicked(file: TrashbinFile, view: View) {
-        PopupMenu(requireContext(), view).apply {
+        // NMC Customization
+        val ctw = ContextThemeWrapper(requireContext(), R.style.CustomPopupTheme)
+        PopupMenu(ctw, view).apply {
             inflate(R.menu.item_trashbin)
             setOnMenuItemClickListener {
                 onFileActionChosen(it.itemId, setOf(file))
@@ -549,10 +552,11 @@ class TrashbinFragment :
             val item = menu.findItem(R.id.custom_menu_placeholder_item)
             item.icon?.let {
                 item.setIcon(
+                    // NMC Customization: color of menu
                     activity?.let { it1 ->
                         viewThemeUtils.platform.colorDrawable(
                             it,
-                            ContextCompat.getColor(it1, R.color.white)
+                            ContextCompat.getColor(it1, R.color.fontAppbar)
                         )
                     }
                 )
diff --git a/app/src/main/java/com/owncloud/android/utils/theme/FilesSpecificViewThemeUtils.kt b/app/src/main/java/com/owncloud/android/utils/theme/FilesSpecificViewThemeUtils.kt
index aa344b5be4c1..cea605ac51a1 100644
--- a/app/src/main/java/com/owncloud/android/utils/theme/FilesSpecificViewThemeUtils.kt
+++ b/app/src/main/java/com/owncloud/android/utils/theme/FilesSpecificViewThemeUtils.kt
@@ -105,15 +105,19 @@ class FilesSpecificViewThemeUtils @Inject constructor(
                 .setThumbDrawable(getThumbDrawable(context))
                 .setPopupStyle {
                     PopupStyles.MD2.accept(it)
-                    it.background = FastScrollPopupBackground(context, scheme.primary)
+                    //NMC customisation
+                    it.background = FastScrollPopupBackground(context, context.resources.getColor(R.color.primary, null))
                 }
         }
 
     private fun getThumbDrawable(context: Context): Drawable = checkNotNull(
-        androidViewThemeUtils.tintDrawable(
-            context,
-            me.zhanghai.android.fastscroll.R.drawable.afs_md2_thumb,
-            ColorRole.PRIMARY
+        androidViewThemeUtils.colorDrawable(
+            ResourcesCompat.getDrawable(
+                context.resources,
+                me.zhanghai.android.fastscroll.R.drawable.afs_md2_thumb,
+                null
+            )!!,
+            context.resources.getColor(R.color.primary, null)
         )
     ) { "Fast scroller thumb drawable not found" }
 
diff --git a/app/src/main/res/color/spinner_color_state.xml b/app/src/main/res/color/spinner_color_state.xml
new file mode 100644
index 000000000000..5913e0da1a1d
--- /dev/null
+++ b/app/src/main/res/color/spinner_color_state.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:color="@color/primary" android:state_enabled="true" />
+    <item android:color="@color/grey_30" />
+</selector>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/bg_spinner.xml b/app/src/main/res/drawable/bg_spinner.xml
new file mode 100644
index 000000000000..d48644569a5c
--- /dev/null
+++ b/app/src/main/res/drawable/bg_spinner.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item>
+        <layer-list>
+            <item android:drawable="@drawable/ic_keyboard_arrow_down"
+                android:gravity="center_vertical|right" android:right="5dp" />
+        </layer-list>
+    </item>
+</selector>
\ No newline at end of file
diff --git a/app/src/main/res/layout/simple_spinner_item.xml b/app/src/main/res/layout/simple_spinner_item.xml
new file mode 100644
index 000000000000..55f585937c2d
--- /dev/null
+++ b/app/src/main/res/layout/simple_spinner_item.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@android:id/text1"
+    style="?android:attr/spinnerItemStyle"
+    android:singleLine="true"
+    android:textColor="@color/spinner_color_state"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:ellipsize="marquee"
+    android:textAlignment="inherit"/>
\ No newline at end of file
diff --git a/app/src/main/res/layout/upload_files_layout.xml b/app/src/main/res/layout/upload_files_layout.xml
index 38d17a7566a8..b06c7b88e30e 100644
--- a/app/src/main/res/layout/upload_files_layout.xml
+++ b/app/src/main/res/layout/upload_files_layout.xml
@@ -60,6 +60,7 @@
         <Spinner
             android:layout_width="match_parent"
             android:layout_height="0dp"
+            style="@style/SpinnerTheme"
             android:id="@+id/upload_files_spinner_behaviour"
             android:layout_weight="1"/>
     </LinearLayout>
diff --git a/app/src/main/res/values-night/nmc_colors.xml b/app/src/main/res/values-night/nmc_colors.xml
new file mode 100644
index 000000000000..229d9361177d
--- /dev/null
+++ b/app/src/main/res/values-night/nmc_colors.xml
@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Nextcloud - Android Client
+  ~
+  ~ SPDX-FileCopyrightText: 2026 TSI-mc <surinder.kumar@t-systems.com>
+  ~ SPDX-License-Identifier: AGPL-3.0-or-later
+  -->
+
+<resources>
+    <!-- NMC Colors -->
+    <color name="icon_color">#FFFFFF</color>
+    <color name="sort_text_color">@color/grey_30</color>
+    <color name="list_icon_color">@color/grey_30</color>
+    <color name="warning_icon_color">#CCCCCC</color>
+    <color name="divider_color">@color/grey_70</color>
+    <color name="spinner_bg_color">@color/grey_80</color>
+    <color name="refresh_layout_bg_color">#2D2D2D</color>
+    <color name="primary_button_disabled_color">@color/grey_70</color>
+    <color name="toolbar_divider_color">@color/grey_70</color>
+
+    <!-- Snackbar Colors -->
+    <color name="snackbar_bg_color">@color/grey_80</color>
+    <color name="snackbar_txt_color">@color/grey_0</color>
+
+    <!-- Alert Dialog Colors -->
+    <color name="alert_bg_color">@color/grey_80</color>
+    <color name="alert_txt_color">@color/grey_0</color>
+
+    <!--  NavigationView colors  -->
+    <color name="nav_selected_bg_color">@color/grey_60</color>
+    <color name="nav_txt_unselected_color">@color/grey_0</color>
+    <color name="nav_txt_selected_color">@color/grey_0</color>
+    <color name="nav_icon_unselected_color">@color/grey_30</color>
+    <color name="nav_icon_selected_color">#FFFFFF</color>
+    <color name="nav_divider_color">@color/grey_30</color>
+    <color name="nav_bg_color">@color/grey_80</color>
+    <color name="drawer_quota_txt_color">#FFFFFF</color>
+
+    <!-- Bottom Sheet Colors -->
+    <color name="bottom_sheet_bg_color">@color/grey_80</color>
+    <color name="bottom_sheet_icon_color">@color/grey_30</color>
+    <color name="bottom_sheet_txt_color">@color/grey_0</color>
+
+    <!-- Popup Menu Colors -->
+    <color name="popup_menu_bg">@color/grey_80</color>
+    <color name="popup_menu_txt_color">@color/grey_0</color>
+    <color name="overflow_bg_color">@color/grey_80</color>
+
+    <!-- Switch Compat Colors -->
+    <color name="switch_thumb_disabled">@color/grey_70</color>
+    <color name="switch_track_disabled">@color/grey_60</color>
+
+    <!-- Checkbox Colors -->
+    <color name="checkbox_checked_disabled">@color/grey_70</color>
+    <color name="checkbox_unchecked_disabled">@color/grey_70</color>
+
+    <!-- Share Colors -->
+    <color name="share_title_txt_color">#FFFFFF</color>
+    <color name="share_subtitle_txt_color">@color/grey_30</color>
+    <color name="share_info_txt_color">@color/grey_0</color>
+    <color name="share_search_border_color">@color/grey_0</color>
+    <color name="share_btn_txt_color">@color/grey_0</color>
+    <color name="share_list_item_txt_color">@color/grey_0</color>
+    <color name="share_disabled_txt_color">@color/grey_60</color>
+    <color name="share_txt_color">@color/grey_0</color>
+    <color name="share_et_divider">#FFFFFF</color>
+    <color name="share_blue_color">#7d94f9</color>
+
+    <!-- Scan Colors -->
+    <color name="scan_doc_bg_color">#121212</color>
+    <color name="scan_text_color">@color/grey_0</color>
+    <color name="scan_edit_bottom_color">@color/grey_80</color>
+    <color name="scan_count_bg_color">@color/grey_80</color>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/nmc_colors.xml b/app/src/main/res/values/nmc_colors.xml
new file mode 100644
index 000000000000..3aa33ccdf362
--- /dev/null
+++ b/app/src/main/res/values/nmc_colors.xml
@@ -0,0 +1,98 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Nextcloud - Android Client
+  ~
+  ~ SPDX-FileCopyrightText: 2026 TSI-mc <surinder.kumar@t-systems.com>
+  ~ SPDX-License-Identifier: AGPL-3.0-or-later
+  -->
+
+<resources>
+    <!--  NMC Colors  -->
+    <color name="icon_color">#191919</color>
+    <color name="sort_text_color">@color/primary</color>
+    <color name="list_icon_color">#191919</color>
+    <color name="warning_icon_color">#191919</color>
+    <color name="divider_color">@color/grey_30</color>
+    <color name="spinner_bg_color">@android:color/white</color>
+    <color name="refresh_layout_bg_color">#FFFFFF</color>
+    <color name="primary_button_disabled_color">@color/grey_0</color>
+    <color name="toolbar_divider_color">#CCCCCC</color>
+    <color name="et_highlight_color">#77c4ff</color>
+    <color name="white_trans_70">#B3FFFFFF</color>
+    <color name="progress_bar_background">@color/grey_10</color>
+
+    <!-- Grey Colors -->
+    <color name="dark_grey">#101010</color>
+    <color name="grey_0">#F2F2F2</color>
+    <color name="grey_10">#E5E5E5</color>
+    <color name="grey_30">#B2B2B2</color>
+    <color name="grey_60">#666666</color>
+    <color name="grey_70">#4C4C4C</color>
+    <color name="grey_80">#333333</color>
+
+    <!-- Snackbar Colors  -->
+    <color name="snackbar_bg_color">@color/design_snackbar_background_color</color>
+    <color name="snackbar_txt_color">@color/white</color>
+
+    <!-- Alert Dialog Colors -->
+    <color name="alert_bg_color">#FFFFFF</color>
+    <color name="alert_txt_color">#191919</color>
+
+    <!--  NavigationView colors  -->
+    <color name="nav_selected_bg_color">@color/grey_0</color>
+    <color name="nav_txt_unselected_color">#191919</color>
+    <color name="nav_txt_selected_color">@color/primary</color>
+    <color name="nav_icon_unselected_color">#191919</color>
+    <color name="nav_icon_selected_color">@color/primary</color>
+    <color name="nav_divider_color">@color/grey_30</color>
+    <color name="nav_bg_color">@color/white</color>
+    <color name="drawer_quota_txt_color">#191919</color>
+
+    <!-- Bottom Sheet Colors -->
+    <color name="bottom_sheet_bg_color">#FFFFFF</color>
+    <color name="bottom_sheet_icon_color">#191919</color>
+    <color name="bottom_sheet_txt_color">#191919</color>
+
+    <!-- Popup Menu Colors -->
+    <color name="popup_menu_bg">#FFFFFF</color>
+    <color name="popup_menu_txt_color">#191919</color>
+    <color name="overflow_bg_color">#FFFFFF</color>
+
+    <!-- Switch Compat Colors -->
+    <color name="switch_thumb_checked_enabled">@color/primary</color>
+    <color name="switch_track_checked_enabled">#F399C7</color>
+    <color name="switch_thumb_unchecked_enabled">#FFFFFF</color>
+    <color name="switch_track_unchecked_enabled">@color/grey_30</color>
+    <color name="switch_thumb_disabled">@color/grey_10</color>
+    <color name="switch_track_disabled">@color/grey_0</color>
+
+    <!-- Checkbox Colors -->
+    <color name="checkbox_checked_enabled">@color/primary</color>
+    <color name="checkbox_unchecked_enabled">@color/grey_30</color>
+    <color name="checkbox_checked_disabled">@color/grey_30</color>
+    <color name="checkbox_unchecked_disabled">#CCCCCC</color>
+
+    <!-- Share Colors -->
+    <color name="share_title_txt_color">#191919</color>
+    <color name="share_subtitle_txt_color">@color/grey_30</color>
+    <color name="share_info_txt_color">#191919</color>
+    <color name="share_search_border_color">#191919</color>
+    <color name="share_btn_txt_color">#191919</color>
+    <color name="share_list_item_txt_color">#191919</color>
+    <color name="share_disabled_txt_color">@color/grey_30</color>
+    <color name="share_txt_color">#191919</color>
+    <color name="share_et_divider">#000000</color>
+    <color name="share_warning_txt_color">#191919</color>
+    <color name="sharing_warning_bg_color">#F6E5EB</color>
+    <color name="sharing_warning_border_color">#C16F81</color>
+    <color name="share_color">#0D39DF</color>
+    <color name="shared_with_me_color">#0099ff</color>
+    <color name="share_blue_color">#2238df</color>
+
+    <!--  Scan Colors  -->
+    <color name="scan_doc_bg_color">@color/grey_0</color>
+    <color name="scan_text_color">#191919</color>
+    <color name="scan_edit_bottom_color">@color/grey_0</color>
+    <color name="scan_count_bg_color">@color/grey_30</color>
+    <color name="neptune">#77b6bb</color>
+    <color name="neptune_50">#5077b6bb</color>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/nmc_popup_styles.xml b/app/src/main/res/values/nmc_popup_styles.xml
new file mode 100644
index 000000000000..145a9c4ea15b
--- /dev/null
+++ b/app/src/main/res/values/nmc_popup_styles.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <style name="CustomPopupTheme">
+        <!-- if using android.widget.PopupMenu -->
+        <item name="android:popupMenuStyle">@style/PopupMenu</item>
+        <!-- if using android.support.v7.widget.PopupMenu -->
+        <item name="popupMenuStyle">@style/PopupMenu</item>
+    </style>
+
+    <style name="PopupMenu" parent="ThemeOverlay.AppTheme.PopupMenu">
+        <item name="android:popupBackground">@color/popup_menu_bg</item>
+        <item name="android:textColor">@color/popup_menu_txt_color</item>
+        <item name="android:popupElevation">20dp</item>
+    </style>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/nmc_spinner_styles.xml b/app/src/main/res/values/nmc_spinner_styles.xml
new file mode 100644
index 000000000000..1025e7759952
--- /dev/null
+++ b/app/src/main/res/values/nmc_spinner_styles.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <style name="SpinnerTheme" parent="Widget.AppCompat.Spinner">
+        <item name="android:background">@drawable/bg_spinner</item>
+        <item name="android:popupBackground">@color/spinner_bg_color</item>
+    </style>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index b01edd987c4e..8a1bd7c444e7 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -367,9 +367,9 @@
 
     <style name="ThemeOverlay.AppTheme.PopupMenu" parent="ThemeOverlay.Material3.Dark">
         <!-- popup menu background - NEVER "android:background" !!! in themes -->
-        <item name="android:colorBackground">@color/bg_default</item>
+        <item name="android:colorBackground">@color/popup_menu_bg</item>
         <!-- popup menu item text color -->
-        <item name="android:textColorPrimary">@color/text_color</item>
+        <item name="android:textColorPrimary">@color/popup_menu_txt_color</item>
     </style>
 
     <style name="Nextcloud.Widget.PopupMenu" parent="@style/Widget.Material3.PopupMenu">
@@ -382,7 +382,7 @@
     </style>
 
     <style name="OverflowMenuStyle" parent="Widget.Material3.PopupMenu.Overflow">
-        <item name="android:popupBackground">@color/bg_default</item>
+        <item name="android:popupBackground">@color/overflow_bg_color</item>
     </style>
 
     <style name="MaterialListItemSingleLine">