Monochrome palette
Halcyon Outpost
From #9d003c ink through #cd4263, #ed607d, #f37a90 to #ffa5b2 light, Halcyon Outpost is a tetradic 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.
redmonochromefive-stophigh-contrast
#9d003c
#cd4263
#ed607d
#f37a90
#ffa5b2
The generator opens with #9d003c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.