Surf palette
Birch Lighthouse
From #004d55 ink through #007884, #32939f, #55a1ab to #72bdc7 light, Birch Lighthouse is a triadic 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.
cyansurffive-stop
#004d55
#007884
#32939f
#55a1ab
#72bdc7
The generator opens with #004d55 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.