Matcha palette
Copper Bookshop
Copper Bookshop runs #821800 through #c03211, #e05133, #e66d53 to #ff8e75 in five measured steps, the complementary structure keeping every neighbor honest. Reach for it for event posters that compete with a wall of other posters. The darkest and lightest stops clear AA as a text pair.
redmatchafive-stophigh-contrast
#821800
#c03211
#e05133
#e66d53
#ff8e75
The generator opens with #821800 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.