Canyon palette
Calico Archive
Dark anchor, working middle, light release: #7a0029, #b81b47, #d84060, #de5e74, #fe7b8e form a monochromatic canyon set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
redcanyonfive-stophigh-contrast
#7a0029
#b81b47
#d84060
#de5e74
#fe7b8e
The generator opens with #7a0029 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.