#00666A Hex Color
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#00666a is a dusky, dim cyan with cool, shadowed undertones. Because it feels moody and serious, this dark shade works effectively as a grounded base for tech branding or corporate UI. It supports white text exceptionally well with a 6.8:1 contrast ratio, ensuring high readability for body content. Avoid using it in small, low-contrast applications where the saturation might muddy the design.
Questions about #00666a
What is #00666a in RGB, HSL and CMYK?
In RGB, #00666a is rgb(0, 102, 106), in HSL hsl(182, 100%, 21%) and in CMYK 100%, 4%, 0%, 58%.
What color schemes pair effectively with #00666a?
Is #00666a readable on white or black?
#00666a has a 6.75:1 contrast ratio on white and 3.10:1 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.