Sumi palette
Vernal Fen
From #d25b00 ink through #7f6fe3, #009b74, #f17832 to #00bb8c light, Vernal Fen is a split-complementary progression that holds together at any size. Use it for national-park posters with layered mountain silhouettes.
bluesumifive-stop
#d25b00
#7f6fe3
#009b74
#f17832
#00bb8c
The generator opens with #d25b00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.