Opera palette
Umber Prairie
From #853012 ink through #b05b40, #ce765a, #d78a72 to #f5a68d light, Umber Prairie is a 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 for large text.
redoperafive-stop
#853012
#b05b40
#ce765a
#d78a72
#f5a68d
The generator opens with #853012 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.