Blue Hour palette
Halcyon Library
Halcyon Library runs #731800 through #a44129, #c25c44, #ca725c to #e98e77 in five measured steps, the triadic structure keeping every neighbor honest. Reach for it for bike-shop liveries that survive mud and sun. The darkest and lightest stops clear AA as a text pair.
redbluehourfive-stophigh-contrast
#731800
#a44129
#c25c44
#ca725c
#e98e77
The generator opens with #731800 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.