Earthy palette
Velvet Bluff
Dark anchor, working middle, light release: #3c4500, #616e00, #7b892b, #8a974d, #a5b368 form a tetradic earthy 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.
yellowearthyfive-stophigh-contrast
#3c4500
#616e00
#7b892b
#8a974d
#a5b368
The generator opens with #3c4500 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.