Tropical palette
Flint Foundry
From #881a28 ink through #b44b50, #d3666a, #db7d7e to #f99999 light, Flint Foundry 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.
redtropicalfive-stophigh-contrast
#881a28
#b44b50
#d3666a
#db7d7e
#f99999
The generator opens with #881a28 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.