Acid palette
Polar Gallery
Polar Gallery runs #004d5b through #00788d, #3293a9, #56a1b3 to #72bdd0 in five measured steps, the tetradic structure keeping every neighbor honest. Reach for it for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
cyanacidfive-stop
#004d5b
#00788d
#3293a9
#56a1b3
#72bdd0
The generator opens with #004d5b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.