#666763 Hex Color
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#666763 is a muted, medium-dark grey with a faint olive undertone and an ashy, dusty finish. Its low saturation gives interfaces and product designs a practical, composed character without demanding attention. Use this hex code as a supporting background or structural color, pairing it with white text for about a 5.7:1 contrast ratio.
Questions about #666763
What is #666763 in RGB, HSL and CMYK?
In RGB, #666763 is rgb(102, 103, 99), in HSL hsl(75, 2%, 40%) and in CMYK 1%, 0%, 4%, 60%.
Is #666763 warm or cool?
#666763 reads as a mostly neutral gray with a subtle olive undertone, giving it a slightly warm, earthy cast rather than a distinctly blue or cool appearance in most interfaces and layouts. Its dusty, low saturation keeps that warmth understated.
What colors pair well with #666763?
#666763 pairs well with warm whites, pale beige, muted sage, and dusty blue, while terracotta or burgundy can add controlled contrast without overwhelming its quiet gray-olive base in a restrained palette.
Is #666763 readable on white or black?
#666763 has a 5.69:1 contrast ratio on white and 3.68:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it works for body text and on black it works only for large text (24px, or 18.5px bold). Try other pairs in the contrast checker.