#51A8B6

Color Details

HEX
#51A8B6
RGB
rgb(81, 168, 182)
HSL
hsl(188, 41%, 52%)
CMYK
cmyk(55%, 8%, 0%, 29%)
Best text on this color #000000 (CR 7.63:1) Determined by WCAG contrast ratio

Complement & Analogous

Monochrome

Analogous

Complementary Mix

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About #51A8B6

#51A8B6 converts to RGB(81, 168, 182) and HSL(188, 41%, 52%). 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).

#51A8B6 FAQs

What is the RGB value of #51A8B6?
RGB: 81, 168, 182. Copy as CSS: rgb(81, 168, 182)
Is #51A8B6 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #51A8B6?
Complement: #b76052.
Does #51A8B6 have good contrast on white or black?
On white: 2.75:1 (Fails AA). On black: 7.63:1 (AAA (normal text)).