#646661 Hex Color
A disciplined and dusty olive grey
This dusty, desaturated olive grey acts as a disciplined neutral base. Because it has minimal chroma, it grounds complex palettes without dominating the composition. The hex code #646661 provides enough contrast for readable body text against white, making it reliable for UI design. Use it sparingly to avoid a muddy appearance in large blocks, or pair it with warm terracotta to brighten its cool, clinical undertone.
Questions about #646661
What is #646661 in RGB, HSL and CMYK?
In RGB, #646661 is rgb(100, 102, 97), in HSL hsl(84, 3%, 39%) and in CMYK 2%, 0%, 5%, 60%.
How does #646661 perform as a text color?
#646661 provides a softer, more sophisticated alternative to pure black or dark grey for body text. It maintains high readability against white or light cream backgrounds while reducing the harsh, clinical contrast often found in standard UI typography.
What colors complement #646661 effectively?
This olive grey pairs exceptionally well with warm tones like terracotta or mustard to counteract its cool, muted undertones. Using it alongside vibrant, earthy hues creates a balanced, professional aesthetic that feels grounded rather than muddy or flat.
Is #646661 readable on white or black?
#646661 has a 5.80:1 contrast ratio on white and 3.61:1 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.