Disco palette
Flannel Foundry
Flannel Foundry runs #21518c through #4c7ab6, #6695d3, #7da5db to #98c2f9 in five measured steps, the triadic structure keeping every neighbor honest. Reach for it for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
skydiscofive-stop
#21518c
#4c7ab6
#6695d3
#7da5db
#98c2f9
The generator opens with #21518c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.