Sumi palette
Seafoam Marsh
Dark anchor, working middle, light release: #890031, #c42952, #e44a6c, #ea687f, #ff8e9e form a tetradic sumi set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
pinksumifive-stophigh-contrast
#890031
#c42952
#e44a6c
#ea687f
#ff8e9e
The generator opens with #890031 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.