Nebula palette
Seafoam Shrine
From #005671 ink through #0081a7, #349dc4, #5aabcc to #77c8ea light, Seafoam Shrine is a tetradic progression that holds together at any size. Use it for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA for large text.
cyannebulafive-stop
#005671
#0081a7
#349dc4
#5aabcc
#77c8ea
The generator opens with #005671 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.