#51A3AA
Color Details
HEX
#51A3AA
RGB
rgb(81, 163, 170)
HSL
hsl(185, 35%, 49%)
CMYK
cmyk(52%, 4%, 0%, 33%)
Best text on this color
#000000 (CR 7.17:1)
Determined by WCAG contrast ratio
Readability Previews
Monochrome
Analogous
Complementary Mix
About #51A3AA
#51A3AA converts to RGB(81, 163, 170) and HSL(185, 35%, 49%). This page provides quick readability checks, related hues (complementary and analogous), and ready-made palettes so you can drop the color into UI components, images, or CSS immediately.
Tip: Use the “Best text” chip above as a safe default foreground on this color (chosen by contrast ratio).
#51A3AA FAQs
What is the RGB value of #51A3AA?
RGB: 81, 163, 170. Copy as CSS:
rgb(81, 163, 170)
Is #51A3AA a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #51A3AA?
Complement: #a95951.
Does #51A3AA have good contrast on white or black?
On white: 2.93:1 (Fails AA).
On black: 7.17:1 (AAA (normal text)).