packages/SystemUI/res/values-night/colors.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Copyright (C) 2018 The Android Open Source Project
  ~
  ~ Licensed under the Apache License, Version 2.0 (the "License");
  ~ you may not use this file except in compliance with the License.
  ~ You may obtain a copy of the License at
  ~
  ~      http://www.apache.org/licenses/LICENSE-2.0
  ~
  ~ Unless required by applicable law or agreed to in writing, software
  ~ distributed under the License is distributed on an "AS IS" BASIS,
  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  ~ See the License for the specific language governing permissions and
  ~ limitations under the License

  NOTE: You might also want to edit: core/res/res/values-night/*.xml
  -->
<resources>
    <!-- The color of the material notification background -->
    <color name="notification_material_background_color">@*android:color/notification_material_background_color</color>

    <!-- The color of the legacy notifications with customs backgrounds (gingerbread and lollipop.)
    It's fine to override this color since at that point the shade was dark. -->
    <color name="notification_legacy_background_color">@*android:color/notification_material_background_color</color>

    <!-- The color of the material notification background when dimmed -->
    <color name="notification_material_background_dimmed_color">#aa000000</color>

    <!-- The color of the dividing line between grouped notifications while . -->
    <color name="notification_divider_color">#212121</color>

    <!-- The background color of the notification shade -->
    <color name="notification_shade_background_color">@color/GM2_grey_900</color>

    <!-- The color of the gear shown behind a notification -->
    <color name="notification_gear_color">@color/GM2_grey_500</color>

    <!-- The color of the ripples on the untinted notifications -->
    <color name="notification_ripple_untinted_color">#30ffffff</color>

    <!-- The "inside" of a notification, reached via longpress -->
    <color name="notification_guts_bg_color">@color/GM2_grey_900</color>

    <!-- The color of the text inside a notification -->
    <color name="notification_primary_text_color">@*android:color/notification_primary_text_color_dark</color>

    <color name="notification_guts_link_icon_tint">@color/GM2_grey_500</color>
    <color name="notification_guts_sub_text_color">@color/GM2_grey_300</color>
    <color name="notification_guts_header_text_color">@color/GM2_grey_200</color>
    <color name="notification_guts_info_button_color">@color/GM2_blue_300</color>
    <color name="notification_guts_priority_button_content_color">@color/GM2_grey_500</color>
    <color name="notification_guts_priority_button_content_color_selected">@color/GM2_blue_300</color>
    <color name="notification_guts_priority_button_bg_fill_color">@color/transparent</color>
    <color name="notification_guts_priority_button_bg_fill_color_selected">@color/GM2_grey_800</color>
    <color name="notification_guts_priority_button_bg_stroke_color">@color/GM2_grey_700</color>
    <color name="notification_guts_priority_button_bg_stroke_color_selected">@color/GM2_blue_300</color>

    <color name="notification_section_header_label_color">@color/GM2_grey_200</color>
    <color name="notification_section_clear_all_btn_color">@color/GM2_grey_500</color>
    <color name="notification_channel_dialog_separator">@color/GM2_grey_700</color>

    <!-- The color of the background in the top part of QSCustomizer -->
    <color name="qs_customize_background">@color/GM2_grey_900</color>

    <!-- The color of the background in the bottom part of QSCustomizer -->
    <color name="qs_customize_decoration">@color/GM2_grey_800</color>

    <!-- The color of the background in the separated list of the Global Actions menu -->
    <color name="global_actions_separated_background">@color/GM2_grey_900</color>

    <!-- The color of the background in the grid of the Global Actions menu -->
    <color name="global_actions_grid_background">@color/GM2_grey_800</color>

    <!-- The color of the text in the Global Actions menu -->
    <color name="global_actions_text">@color/GM2_grey_200</color>

    <!-- The color of the text in the Global Actions menu -->
    <color name="global_actions_alert_text">@color/GM2_red_300</color>

    <!-- Global screenshot actions -->
    <color name="global_screenshot_button_background">@color/GM2_grey_900</color>
    <color name="global_screenshot_button_ripple">#42FFFFFF</color>
    <color name="global_screenshot_button_text">@color/GM2_blue_300</color>

    <!-- Biometric dialog colors -->
    <color name="biometric_dialog_gray">#ff888888</color>
    <color name="biometric_dialog_accent">#ff80cbc4</color> <!-- light teal -->
    <color name="biometric_dialog_error">#fff28b82</color> <!-- red 300 -->

    <color name="GM2_green_500">#FF41Af6A</color>
    <color name="GM2_blue_500">#5195EA</color>
    <color name="GM2_red_500">#E25142</color>
    <color name="GM2_yellow_500">#F5C518</color>

</resources>