windowBackgroundGrayShadow sets the shadow color between sections in Settings.
Icons
changephoneinfo_image sets the color of two SIM-cards and arrow between them in Settings → Phone.
sessions_devicesImage sets the color of phone and tablet image when you signed in only on one device, shown in Settings → Privacy and Security → Active Sessions.
Stickers and Themes sections
stickers_menu sets the color of three dots icon beside a sticker pack or a theme.
stickers_menuSelector sets the ripple color when you tap the three dots icon.
featuredStickers_addedIcon sets the color of the check mark you can see beside an added sticker pack or selected theme.
featuredStickers_addButton sets the background of the “Add” buttons.
featuredStickers_addButtonSelected sets the background of an “Add” button when you press the button.
featuredStickers_buttonText sets the color of the “Add” or “Remove” (on chat emoji panel) text on buttons.
featuredStickers_buttonProgress sets the color of the progress circle when a sticker pack is being added or removed (on chat emoji panel).