Opera palette
Reedy Alley
From #005188 ink through #007ac8, #3396e6, #58a6eb to #81c2ff light, Reedy Alley 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.
skyoperafive-stop
#005188
#007ac8
#3396e6
#58a6eb
#81c2ff
The generator opens with #005188 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.