#51F3EE

Q: What are the RGB, HSL, and CMYK values of #51F3EE?

RGB(81, 243, 238), HSL(178.1, 87.1%, 63.5%), CMYK(66.7%, 0.0%, 2.1%, 4.7%).

Q: Does #51F3EE meet WCAG contrast on white?

1.36:1 — WCAG AA fail, AAA fail for normal text.

Overview

#51F3EE is a cool, light color. In RGB it is 81, 243, 238, in HSL 178.1°, 87.1%, 63.5%, and in CMYK 66.7%, 0.0%, 2.1%, 4.7%. The nearest named color is cyan 2.

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Color Values

HEX

#51F3EE

RGB

81, 243, 238

HSL

178.1, 87.1%, 63.5%

HSV

178.1, 66.7%, 95.3%

CMYK

66.7%, 0.0%, 2.1%, 4.7%

OKLCH

0.8806 0.1319 192.0

Properties

Cool Light Nearest: cyan 2

Color Psychology

True cyan sits at the boundary of blue and green in the visible spectrum, projecting futurism, precision, and digital innovation. It is a primary color in CMYK printing and RGB displays, giving it a distinctly technological identity. Cyan suggests cutting-edge thinking and clear communication.

Design Usage

Medium cyan is a staple in tech branding, cloud computing services, and developer tools. It works well for interactive elements, link hover states, and data visualization highlights. Because cyan is highly saturated, use it as an accent rather than a dominant color to avoid visual strain.