Jewel palette
Cinnamon Oasis
Dark anchor, working middle, light release: #006f8c, #009cc3, #3bb9e1, #67c7e9, #96e2ff form a tetradic jewel set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanjewelfive-stop
#006f8c
#009cc3
#3bb9e1
#67c7e9
#96e2ff
The generator opens with #006f8c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.