Nebula palette
Halcyon Cellar
From #006363 ink through #009090, #38acac, #60b9b9 to #7dd6d6 light, Halcyon Cellar is a split-complementary progression that holds together at any size. Use it for bike-shop liveries that survive mud and sun. The darkest and lightest stops clear AA for large text.
cyannebulafive-stop
#006363
#009090
#38acac
#60b9b9
#7dd6d6
The generator opens with #006363 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.