#66DFE4

Q: What are the RGB, HSL, and CMYK values of #66DFE4?

RGB(102, 223, 228), HSL(182.4, 70.0%, 64.7%), CMYK(55.3%, 2.2%, 0.0%, 10.6%).

Q: Does #66DFE4 meet WCAG contrast on white?

1.59:1 — WCAG AA fail, AAA fail for normal text.

Overview

#66DFE4 is a cool, light color. In RGB it is 102, 223, 228, in HSL 182.4°, 70.0%, 64.7%, and in CMYK 55.3%, 2.2%, 0.0%, 10.6%. The nearest named color is mediumturquoise.

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Color Values

HEX

#66DFE4

RGB

102, 223, 228

HSL

182.4, 70.0%, 64.7%

HSV

182.4, 55.3%, 89.4%

CMYK

55.3%, 2.2%, 0.0%, 10.6%

OKLCH

0.8368 0.1082 199.0

Properties

Cool Light Nearest: mediumturquoise

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.