Tropical palette
Autumn Prairie
Dark anchor, working middle, light release: #006d66, #009b91, #3bb7ad, #65c4bb, #82e2d8 form a tetradic tropical set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
cyantropicalfive-stop
#006d66
#009b91
#3bb7ad
#65c4bb
#82e2d8
The generator opens with #006d66 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.