Retro palette
Sundew Atelier
From #7d0002 ink through #b62b22, #d64b3e, #dc6658 to #fc8373 light, Sundew Atelier is a 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.
redretrofive-stophigh-contrast
#7d0002
#b62b22
#d64b3e
#dc6658
#fc8373
The generator opens with #7d0002 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.