Opera palette
Gloaming Kiln
From #711f00 ink through #a83f1b, #c75b38, #ce7154 to #ed8d6f light, Gloaming Kiln 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 as a text pair.
redoperafive-stophigh-contrast
#711f00
#a83f1b
#c75b38
#ce7154
#ed8d6f
The generator opens with #711f00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.