Pastel palette
Sloe Canyon
From #6b5aa8 ink through #4167ae, #00739b, #5a82cb to #128fbf light, Sloe Canyon is a tetradic progression that holds together at any size. Use it for book covers that read at thumbnail size.
skypastelfive-stop
#6b5aa8
#4167ae
#00739b
#5a82cb
#128fbf
The generator opens with #6b5aa8 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.