Value used when the color scheme is dark.
Value used when the color scheme is light.
OptionalonText color used on top of this color. Computed by contrast (black or white) per scheme when omitted; requires hex values.
OptionaltextColor used when this color is drawn as text: outline, soft and ghost variants, colored Text,
Link, menu items. Computed per scheme when omitted: the color itself when it has enough
contrast on the page, surface and tinted backgrounds, otherwise mixed toward the neutral text
color until it does. Requires hex values.
A semantic color: one value per color scheme, plus an optional foreground.