Industrial palette
Tranquil Bookshop
From #004e57 ink through #007987, #3294a3, #56a2ae to #72beca light, Tranquil Bookshop is a split-complementary 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.
cyanindustrialfive-stop
#004e57
#007987
#3294a3
#56a2ae
#72beca
The generator opens with #004e57 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.