For #21935 - Use photonBlue30 in place of #00B3F4

app/src/main/res/values-night/colors.xml

@@ -44,7 +44,7 @@
     <color name="add_on_private_browsing_interior_icon_background_normal_theme">@color/add_on_private_browsing_interior_icon_background_dark_theme</color>
     <color name="prompt_login_edit_text_cursor_color_normal_theme">@color/prompt_login_edit_text_cursor_color_dark_theme</color>
     <color name="readermode_start_gradient_normal_theme">@color/photonViolet30</color>
-    <color name="readermode_end_gradient_normal_theme">#00B3F4</color>
+    <color name="readermode_end_gradient_normal_theme">@color/photonBlue30</color>
     <color name="search_suggestion_indicator_icon_color_normal_theme">@color/search_suggestion_indicator_icon_color_dark_theme</color>
     <color name="search_suggestion_indicator_icon_bookmark_color_normal_theme">@color/search_suggestion_indicator_icon_bookmark_color_dark_theme</color>
     <color name="select_login_header_normal_theme">@color/accent_high_contrast_dark_theme</color>

app/src/main/res/values/colors.xml

@@ -97,7 +97,7 @@
     <color name="synced_tabs_separator_dark_theme">@color/photonDarkGrey10</color>
     <color name="top_site_title_text_dark_theme">@color/photonLightGrey05</color>
     <color name="collection_icon_color_violet_dark_theme">@color/photonViolet40</color>
-    <color name="collection_icon_color_blue_dark_theme">#00B3F4</color>
+    <color name="collection_icon_color_blue_dark_theme">@color/photonBlue30</color>
     <color name="collection_icon_color_pink_dark_theme">#FF6BBA</color>
     <color name="collection_icon_color_green_dark_theme">#88FFD1</color>
     <color name="collection_icon_color_yellow_dark_theme">#FFDE67</color>