#66BCBD

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

RGB(102, 188, 189), HSL(180.7, 39.7%, 57.1%), CMYK(46.0%, 0.5%, 0.0%, 25.9%).

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

2.21:1 — WCAG AA fail, AAA fail for normal text.

Overview

#66BCBD is a cool, light color. In RGB it is 102, 188, 189, in HSL 180.7°, 39.7%, 57.1%, and in CMYK 46.0%, 0.5%, 0.0%, 25.9%. The nearest named color is NCS S 0530-B40G Aqua.

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Color Values

HEX

#66BCBD

RGB

102, 188, 189

HSL

180.7, 39.7%, 57.1%

HSV

180.7, 46.0%, 74.1%

CMYK

46.0%, 0.5%, 0.0%, 25.9%

OKLCH

0.742 0.0834 196.5

Properties

Cool Light Nearest: NCS S 0530-B40G Aqua

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.