Ocean palette
Umber Delta
From #822200 ink through #c33800, #e3572d, #e97250 to #ff9577 light, Umber Delta 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.
redoceanfive-stophigh-contrast
#822200
#c33800
#e3572d
#e97250
#ff9577
The generator opens with #822200 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.