Color Wheel
Learn: Harmony→Select a hue on the ring, then fine-tune saturation and brightness in the triangle.
Click the swatch or type a hex to update the wheel
HSL
H161°
S35%
L50%
HSV
H161°
S52%
V68%
RGB
R83
G173
B145
A harmony is a starting point, not a palette.
Perfect Palette scores the harmony you found, checks every pair for contrast, simulates color blindness, and turns the result into ramps and named roles you can ship. Free to start, no account needed — color system tools are Plus, design.md authoring is Pro.