Matcha palette
Pumice Gallery
From #004b2b ink through #007847, #319360, #53a074 to #6fbc8f light, Pumice Gallery is a tetradic progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
greenmatchafive-stophigh-contrast
#004b2b
#007847
#319360
#53a074
#6fbc8f
The generator opens with #004b2b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.