#637A68 Hex Color
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The hex code #637a68 is a bleak, muted green with dusty gray undertones and a matte, low-saturation finish. Its subdued lightness gives designs a stable, understated feel, suited to sustainability, pharmacy, finance, and organic branding. Use it as a supporting tone beside warm cream or terracotta; white text reaches about 4.7:1 contrast for readable body copy.
Questions about #637a68
What is #637a68 in RGB, HSL and CMYK?
In RGB, #637a68 is rgb(99, 122, 104), in HSL hsl(133, 10%, 43%) and in CMYK 19%, 0%, 15%, 52%. Browse more shades of gray with names and hex codes.
Does #637a68 read as a warm or cool color?
#637a68 reads as a neutral-to-cool muted green because its low saturation and gray undertones soften the hue without making it icy. Warm lighting or cream accents can shift its appearance toward an earthier, more natural direction.
What colors pair well with #637a68?
#637a68 pairs best with warm cream, terracotta, and dark charcoal, since these colors give its low-saturation green definition without overpowering it; cream opens the layout, terracotta adds warmth, and charcoal supplies firm text contrast.
Is #637a68 readable on white or black?
#637a68 has a 4.65:1 contrast ratio on white and 4.51:1 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 for body text. Try other pairs in the contrast checker.