Opera palette
Zephyr Heath
From #b3586f ink through #317fbb, #69852e, #d1738a to #4f9bd9 light, Zephyr Heath is a analogous progression that holds together at any size. Use it for book covers that read at thumbnail size.
redoperafive-stop
#b3586f
#317fbb
#69852e
#d1738a
#4f9bd9
The generator opens with #b3586f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.