Retro palette
Halcyon Library
Halcyon Library runs #a2002f through #d34356, #f36170, #f97c85 to #ffabae in five measured steps, the tetradic structure keeping every neighbor honest. Reach for it for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA as a text pair.
redretrofive-stophigh-contrast
#a2002f
#d34356
#f36170
#f97c85
#ffabae
The generator opens with #a2002f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.