Nebula palette
Pumice Hollow
Pumice Hollow runs #006080 through #218bb4, #45a7d1, #67b5da to #84d2f8 in five measured steps, the monochromatic 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.
cyannebulafive-stop
#006080
#218bb4
#45a7d1
#67b5da
#84d2f8
The generator opens with #006080 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.