Aurora palette
Spruce Gazebo
From #00686a ink through #009698, #39b2b4, #63c0c1 to #80ddde light, Spruce Gazebo is a tetradic 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.
cyanaurorafive-stop
#00686a
#009698
#39b2b4
#63c0c1
#80ddde
The generator opens with #00686a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.