Frost palette
Spruce Fen
Spruce Fen runs #00494e through #00747b, #318f96, #539ca2 to #6fb9be in five measured steps, the complementary structure keeping every neighbor honest. Reach for it for podcast cover art at sixty pixels square. The darkest and lightest stops clear AA as a text pair.
cyanfrostfive-stophigh-contrast
#00494e
#00747b
#318f96
#539ca2
#6fb9be
The generator opens with #00494e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.