Psychology
Gray is the connective tissue of interface design — neutral, balanced, and quiet. It supports without competing.
Meaning
Sophistication, neutrality, and restraint. Warm grays feel inviting; cool grays feel modern and technical.
Applications
Essential for backgrounds, borders, dividers, and secondary text in product UIs. Build a 9–11 step gray ramp early in any design system.
Conversion
HEX
66586E
RGB
102, 88, 110
HSL
278, 11%, 39%
HSB
278, 20%, 43%
CMYK
7, 20, 0, 57
LAB
39, 9, -10
LCH
39, 14, 312
OKLCH
0.48, 0.04, 313
XYZ
12, 11, 16
LUV
39, 6, -15
HWB
278, 35%, 57%
Pantone
Cool Gray 11 C
Harmonies
Shades & tints
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