Tropical palette
Obsidian Crater
From #772d00 ink through #a35632, #c1714d, #c98466 to #e8a081 light, Obsidian Crater is a split-complementary progression that holds together at any size. Use it for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA as a text pair.
orangetropicalfive-stophigh-contrast
#772d00
#a35632
#c1714d
#c98466
#e8a081
The generator opens with #772d00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.