#515D5B Hex Color
Greyed Teal for Moody, Grounded Designs

Somewhere between slate and sea glass, this dull teal reads closer to grey than green. #515d5b works best as a supporting tone or dark UI background, where its low saturation feels steady instead of flat. White text hits about 6.8:1 contrast, so small body text passes AA. Pair it with dusty coral to warm things up.
Questions about #515d5b
What is #515d5b in RGB, HSL and CMYK?
In RGB, #515d5b is rgb(81, 93, 91), in HSL hsl(170, 7%, 34%) and in CMYK 13%, 0%, 2%, 64%.
What colors pair well with #515d5b?
Dusty coral and terracotta warm up #515d5b nicely, since its muted coolness needs a soft opposite rather than a bright one. Cream and warm grey also keep it from reading too heavy.
Is #515d5b readable on white or black?
#515d5b has a 6.84:1 contrast ratio on white and 3.06:1 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.