Tropical palette
Tranquil Delta
Dark anchor, working middle, light release: #8b0f00, #c43622, #e4553f, #ea705c, #ff9581 form a complementary tropical set with somewhere to stand at every lightness. Made for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA as a text pair.
redtropicalfive-stophigh-contrast
#8b0f00
#c43622
#e4553f
#ea705c
#ff9581
The generator opens with #8b0f00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.