#645C3B Hex Color
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Muted and dark, #645c3b is a dusty yellow-olive with low saturation and a matte, earthy finish. Its serious, subdued character suits outdoor branding, military-inspired layouts, construction materials, and organic product packaging. Use the hex code #645c3b as a supporting tone with cream or rust, and pair it with white text for accessible contrast in interfaces.
Questions about #645c3b
What is #645c3b in RGB, HSL and CMYK?
In RGB, #645c3b is rgb(100, 92, 59), in HSL hsl(48, 26%, 31%) and in CMYK 0%, 8%, 41%, 61%. Browse more shades of brown with names and hex codes.
What colors pair well with #645c3b?
#645c3b pairs well with cream, rust, and terracotta, using light neutrals to lift its dusty olive base and warm accents to add energy without losing the subdued, earthy mood that makes the shade useful in grounded palettes.
Does #645c3b read as warm or cool?
#645c3b reads as a warm, muted olive because its yellow undertone outweighs its subdued green character, while its low saturation keeps the warmth restrained across most palettes and materials. It feels grounded and practical rather than fresh or lively.
Is #645c3b readable on white or black?
#645c3b has a 6.69:1 contrast ratio on white and 3.13:1 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.