Colors are named semantically. Some can be overriden by theme and some cannot.
Primary
#0076d6
Primary Light
#0099ff
Primary Dark
#005499
Body
#242933
Body, Light
#525966
Body, Icon
#737780
Placeholder
#9599A2
Light Body
#f2f4f7
Light Body, Light
#d7d9de
Black
#0a0b0d
Black 90
#12141a
Black 80
#3d424d
Off White
#f9fafc
White
#fff
Grey 20
#e6e8eb
Border
#c7cbd1
Online
#00b2a4
Online, Light
#ccf3f0
Caution
#e51b3d
Caution, Light
#fdd3d4
Input Autofill
#e0edf8