#66B7C2 Color

#66B7C2 is rgb(102, 183, 194) in RGB, hsl(187, 43%, 58%) in HSL, and about cmyk(47%, 6%, 0%, 24%) in CMYK. It has no registered color name of its own — the closest is Moonstone (#3AA8C1), visibly different at ΔE 10.85. Black text is the more readable choice on this background.

#66B7C2

HEX#66B7C2

RGBrgb(102, 183, 194)

HSLhsl(187, 43%, 58%)

HSVhsv(187, 47%, 76%)

CMYKcmyk(47%, 6%, 0%, 24%)

OKLCHoklch(73.2% 0.081 206.9)

LABlab(69.59% -23.67 -13.75)

LCHlch(69.59% 27.38 210.16)

What #66B7C2 Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #66B7C2, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Moonstone#3AA8C1ΔE 10.85 Cadet Blue#5F9EA0ΔE 10.9 Middle Blue#7ED4E6ΔE 11.04 Moonstone Blue#73A9C2ΔE 11.83 Blue Lagoon#4C9C9CΔE 11.88 Verdigris#43B3AEΔE 12.23

Browse the full index of named colors A-Z or every teal in the library.

#66B7C2 Channel Values

How #66B7C2 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

Model	Channels	Notes
RGB	R 102 · G 183 · B 194	8-bit channels as sent to the display
HSL	H 187° · S 43% · L 58%	Easiest model for building lighter and darker variants
HSV	H 187° · S 47% · V 76%	Matches the picker in most design tools
CMYK	C 47% · M 6% · Y 0% · K 24%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	2.3:1 vs white · 9.12:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #66B7C2 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

Fails AAWhite text2.3:1AA normal AA large AAA normal

TextBlack text9.12:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #66B7C2 in the contrast checker.

Colors That Go With #66B7C2

Pairings derived from color-wheel relationships. The complementary color sits opposite #66B7C2; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base

Complementary

Analogous

Analogous

Triadic

Triadic

Split comp.

Split comp.

Tints & Shades of #66B7C2

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #66B7C2.

How #66B7C2 Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#66B7C2

Protanopia#ADADC2

Protanomaly#95B1C2

Deuteranopia#A2A2C4

Deuteranomaly#8EABC3

Tritanopia#63B8B8

Tritanomaly#64B8BC

Achromatopsia#ABABAB

Test a full palette in the color blindness simulator.

Using #66B7C2 in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-66b7c2: #66B7C2;

CSS backgroundbackground-color: #66B7C2;

Tailwind configcolors: { 'color-66b7c2': '#66B7C2' }

SwiftUIColor(red: 0.400, green: 0.718, blue: 0.761)

Android XML<color name="color_66b7c2">#66B7C2</color>

SVG fillfill="#66B7C2"

More Teal Colors

#66B7C2 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.

002424 f5ffff 002a38 f0ffff 002d2e eefbfb 003333 ecfeff 003542 ecf7f9 003838 ebffff 006466 009999 00ebeb 0d1616 192929 24fbff 36747d 50bfe6 73a9c2 8dd9cc aec6cf ccffff

#66B7C2 Frequently Asked Questions

What color is #66B7C2?

#66B7C2 is a mid-tone teal — rgb(102, 183, 194) in RGB and hsl(187, 43%, 58%) in HSL. It carries no registered color name of its own; the closest named color is Moonstone (#3AA8C1), which is visibly different at a CIE76 distance of 10.85.

What is the RGB value of #66B7C2?

#66B7C2 is rgb(102, 183, 194) — red 102, green 183, and blue 194 on the 0-255 scale.

What is the CMYK value of #66B7C2?

#66B7C2 converts to approximately cmyk(47%, 6%, 0%, 24%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #66B7C2 be black or white?

Black text is the more readable choice. #66B7C2 scores 2.3:1 against white and 9.12:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #66B7C2 as a CSS color keyword?

No. #66B7C2 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is cadetblue (#5F9EA0) at a CIE76 distance of 10.9, which is visibly different.

Open #66B7C2 in a Tool

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Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.