Pastel palette
Peaty Archive
From #006264 ink through #008f92, #38abae, #60b8ba to #7dd5d7 light, Peaty Archive is a analogous progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanpastelfive-stop
#006264
#008f92
#38abae
#60b8ba
#7dd5d7
The generator opens with #006264 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.