Acid palette
Firstlight Fen
Firstlight Fen runs #004759 through #00718c, #308ca8, #529ab2 to #6fb6cf in five measured steps, the complementary structure keeping every neighbor honest. Reach for it for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA as a text pair.
cyanacidfive-stophigh-contrast
#004759
#00718c
#308ca8
#529ab2
#6fb6cf
The generator opens with #004759 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.