#66C9DC

Q: What are the RGB, HSL, and CMYK values of #66C9DC?

RGB(102, 201, 220), HSL(189.7, 62.8%, 63.1%), CMYK(53.6%, 8.6%, 0.0%, 13.7%).

Q: Does #66C9DC meet WCAG contrast on white?

1.92:1 — WCAG AA fail, AAA fail for normal text.

Overview

#66C9DC is a cool, light color. In RGB it is 102, 201, 220, in HSL 189.7°, 62.8%, 63.1%, and in CMYK 53.6%, 8.6%, 0.0%, 13.7%. The nearest named color is Sky Blue.

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Color Values

HEX

#66C9DC

RGB

102, 201, 220

HSL

189.7, 62.8%, 63.1%

HSV

189.7, 53.6%, 86.3%

CMYK

53.6%, 8.6%, 0.0%, 13.7%

OKLCH

0.7832 0.0964 211.7

Properties

Cool Light Nearest: Sky Blue

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.