Retro palette
Obsidian Grove
From #a30001 ink through #d64134, #f66050, #fc7c6b to #ffab9e light, Obsidian Grove is a split-complementary progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
redretrofive-stophigh-contrast
#a30001
#d64134
#f66050
#fc7c6b
#ffab9e
The generator opens with #a30001 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.