Sumi palette
Steely Brook
Steely Brook runs #71243b through #9c4e61, #b9687b, #c37c8b to #e198a7 in five measured steps, the tetradic structure keeping every neighbor honest. Reach for it for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
pinksumifive-stophigh-contrast
#71243b
#9c4e61
#b9687b
#c37c8b
#e198a7
The generator opens with #71243b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.