Aurora palette
Leaden Foundry
Leaden Foundry runs #005559 through #008187, #349da2, #59aaaf to #76c7cb in five measured steps, the tetradic structure keeping every neighbor honest. Reach for it for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA for large text.
cyanaurorafive-stop
#005559
#008187
#349da2
#59aaaf
#76c7cb
The generator opens with #005559 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.