Acid palette
Copper Square
From #6a0074 ink through #9639a0, #b355bd, #bd6ec5 to #da89e2 light, Copper Square is a analogous progression that holds together at any size. Use it for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA as a text pair.
magentaacidfive-stophigh-contrast
#6a0074
#9639a0
#b355bd
#bd6ec5
#da89e2
The generator opens with #6a0074 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.