Opera palette
Harbor Crater
From #642b00 ink through #9d4800, #bb632a, #c3774a to #e19366 light, Harbor Crater is a tetradic progression that holds together at any size. Use it for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA as a text pair.
orangeoperafive-stophigh-contrast
#642b00
#9d4800
#bb632a
#c3774a
#e19366
The generator opens with #642b00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.