Opera palette
Oyster Boulevard
From #742a00 ink through #b14500, #d0612c, #d7784e to #f6946a light, Oyster Boulevard is a analogous 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.
orangeoperafive-stophigh-contrast
#742a00
#b14500
#d0612c
#d7784e
#f6946a
The generator opens with #742a00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.