All theme properties extracted from the chromium source code: https://chromium.googlesource.com/chromium/src/+/master/chrome/browser/themes/theme_properties.cc https://docs.google.com/document/d/1jt9vdUY9O5IMm6Zoi2Kz0LWFfFZpvP69qjy6PoGsEoA/edit Properties available in general
"bookmark_text"
"control_button_background"
"download_shelf"
"feature_promo_bubble_background"
"feature_promo_bubble_text"
"frame_active"
"frame_active_incognito"
"frame_inactive"
"frame_inactive_incognito"
"hover_card_no_preview_background"
"hover_card_no_preview_foreground"
"infobar"
"ntp_background"
"ntp_header"
"ntp_link"
"ntp_logo"
"ntp_shortcut"
"ntp_text"
"omnibox_background"
"omnibox_text"
"status_bubble"
"tab_background_active_frame_active"
"tab_background_active_frame_active_incognito"
"tab_background_active_frame_inactive"
"tab_background_active_frame_inactive_incognito"
"tab_background_inactive_frame_active"
"tab_background_inactive_frame_active_incognito"
"tab_background_inactive_frame_inactive"
"tab_background_inactive_frame_inactive_incognito"
"tab_foreground_active_frame_active"
"tab_foreground_active_frame_active_incognito"
"tab_foreground_active_frame_inactive"
"tab_foreground_active_frame_inactive_incognito"
"tab_foreground_inactive_frame_active"
"tab_foreground_inactive_frame_active_incognito"
"tab_foreground_inactive_frame_inactive"
"tab_foreground_inactive_frame_inactive_incognito"
"toolbar"
"toolbar_content_area_separator"
"toolbar_top_separator"
"toolbar_top_separator_inactive"
"window_control_button_background_active"
"window_control_button_background_inactive"
"window_control_button_background_incognito_active"
"window_control_button_background_incognito_inactive"
Properties available in incognito mode
"bookmark_text"
"download_shelf"
"frame_active"
"frame_inactive"
"hover_card_no_preview_background"
"hover_card_no_preview_foreground"
"infobar"
"ntp_background"
"ntp_link"
"ntp_shortcut"
"ntp_text"
"omnibox_background"
"omnibox_text"
"status_bubble"
"tab_background_active_frame_active"
"tab_background_active_frame_inactive"
"tab_background_inactive_frame_active"
"tab_background_inactive_frame_inactive"
"tab_foreground_active_frame_active"
"tab_foreground_active_frame_inactive"
"tab_foreground_inactive_frame_active"
"tab_foreground_inactive_frame_inactive"
"toolbar"
"toolbar_content_area_separator"