Monochrome palette
River Square
From #1a4b00 ink through #2e7800, #4a942c, #63a04d to #7ebd68 light, River Square is a tetradic progression that holds together at any size. Use it for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA as a text pair.
greenmonochromefive-stophigh-contrast
#1a4b00
#2e7800
#4a942c
#63a04d
#7ebd68
The generator opens with #1a4b00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.