Nebula palette
Steely Brook
From #004c61 ink through #007696, #3191b2, #559fbc to #71bcd9 light, Steely Brook is a triadic progression that holds together at any size. Use it for podcast cover art at sixty pixels square. The darkest and lightest stops clear AA for large text.
cyannebulafive-stop
#004c61
#007696
#3191b2
#559fbc
#71bcd9
The generator opens with #004c61 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.