Nebula palette
Butter Cellar
From #4726a7 ink through #6a57d2, #8373f1, #9288f3 to #aea9ff light, Butter Cellar is a monochromatic progression that holds together at any size. Use it for newsletters where the header, links, and footers share one voice. The darkest and lightest stops clear AA as a text pair.
bluenebulafive-stophigh-contrast
#4726a7
#6a57d2
#8373f1
#9288f3
#aea9ff
The generator opens with #4726a7 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.