Jewel palette
Herbal Brook
Herbal Brook runs #2e5a9a through #5884c4, #72a0e2, #89b0e9 to #aacdff in five measured steps, the complementary structure keeping every neighbor honest. Reach for it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skyjewelfive-stop
#2e5a9a
#5884c4
#72a0e2
#89b0e9
#aacdff
The generator opens with #2e5a9a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.