Retro palette
Halcyon Moor
From #554000 ink through #846500, #9f802c, #ab904e to #c8ac6a light, Halcyon Moor is a split-complementary progression that holds together at any size. Use it for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
amberretrofive-stophigh-contrast
#554000
#846500
#9f802c
#ab904e
#c8ac6a
The generator opens with #554000 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.