Acid palette
Opal Library
Opal Library runs #654000 through #996300, #b67e2d, #c09051 to #ddac6d in five measured steps, the tetradic structure keeping every neighbor honest. Reach for it for newsletters where the header, links, and footers share one voice. The darkest and lightest stops clear AA for large text.
orangeacidfive-stop
#654000
#996300
#b67e2d
#c09051
#ddac6d
The generator opens with #654000 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.