As designed by Canonical, we use the following system palette (from Michał Prędotka and Ubuntu documentation):
Operating system and app palette#
#FFFFFF White
Recommended for background on Ambiance theme (light theme) or regular text on Suru Dark theme.
#111111 Jet
Recommended for regular text on Ambiance theme or background in Suru Dark.
#3B3B3B Inkstone
Recommended for foreground colours in dark themes.
#5D5D5D Slate
Recommended for text and action icons.
#666666 Graphite
Recommended for coloring dark themes’ background.
#888888 Ash
Recommended for subtitles and other tertiary content.
#CDCDCD Silk
Recommended for neutral action buttons and secondary text.
#F7F7F7 Porcelain
Recommended for foregrounds.
#335280 Blue
Recommended for progress bars, selected areas, text selection and text cursor. Also neutral actions (Ambiance).
#19B6EE Light Blue
Recommended for progress bars, selected areas, text selection and text cursor. Also neutral actions (SuruDark).
#0E8420 Green
Recommended for positive action buttons (Ambiance).
#3EB34F Light Green
Recommended for positive action buttons (SuruDark).
#C7162B Red
Recommended for negative and irreversible action buttons, errors and alerts (Ambiance).
#ED3146 Light Red
Recommended for negative and irreversible action buttons, errors and alerts (SuruDark).
#E95420 Orange
Orange is recommended for branded elements, focus and intensity.