#66CCCC Color

#66CCCC is rgb(102, 204, 204) in RGB, hsl(180, 50%, 60%) in HSL, and about cmyk(50%, 0%, 0%, 20%) in CMYK. It has no registered color name of its own — the closest is Medium Turquoise (#48D1CC), clearly related but distinguishable side by side at ΔE 7.91. Black text is the more readable choice on this background.

#66CCCC

HEX#66CCCC

RGBrgb(102, 204, 204)

HSLhsl(180, 50%, 60%)

HSVhsv(180, 50%, 80%)

CMYKcmyk(50%, 0%, 0%, 20%)

OKLCHoklch(78.5% 0.095 195.4)

LABlab(76.01% -31.02 -9.66)

LCHlch(76.01% 32.49 197.30)

What #66CCCC 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 #66CCCC, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Medium Turquoise#48D1CCΔE 7.91 Maximum Blue Green#30BFBFΔE 8.94 Verdigris#43B3AEΔE 10.02 Middle Blue Green#8DD9CCΔE 10.77 Sky Blue (Crayola)#76D7EAΔE 11.3 Medium Sky Blue#80DAEBΔE 11.43

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

#66CCCC Channel Values

How #66CCCC 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 204 · B 204	8-bit channels as sent to the display
HSL	H 180° · S 50% · L 60%	Easiest model for building lighter and darker variants
HSV	H 180° · S 50% · V 80%	Matches the picker in most design tools
CMYK	C 50% · M 0% · Y 0% · K 20%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	1.9:1 vs white · 11.07:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #66CCCC 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 text1.9:1AA normal AA large AAA normal

TextBlack text11.07:1AA normal AA large AAA normal

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

Colors That Go With #66CCCC

Pairings derived from color-wheel relationships. The complementary color sits opposite #66CCCC; 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 #66CCCC

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 #66CCCC.

How #66CCCC 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#66CCCC

Protanopia#BFBFCC

Protanomaly#A3C5CC

Deuteranopia#B3B3CE

Deuteranomaly#9ABDCD

Tritanopia#66CCCC

Tritanomaly#66CCCC

Achromatopsia#BCBCBC

Test a full palette in the color blindness simulator.

Using #66CCCC in Code

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

CSS custom property--color-66cccc: #66CCCC;

CSS backgroundbackground-color: #66CCCC;

Tailwind configcolors: { 'color-66cccc': '#66CCCC' }

SwiftUIColor(red: 0.400, green: 0.800, blue: 0.800)

Android XML<color name="color_66cccc">#66CCCC</color>

SVG fillfill="#66CCCC"

More Teal Colors

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

66ffff 669999 67e4de 61ffff 6bdaff 60d7d3 6bffff 5f9ea0 73a9c2 5f8a8f 73abab 5ebee4 89cff0 a8dcf0 c6e8f5 e0ffff 004242 007ba7 00b5b8 041a18 12353a 1e5162 2d383a 416b68

#66CCCC Frequently Asked Questions

What color is #66CCCC?

#66CCCC is a light teal — rgb(102, 204, 204) in RGB and hsl(180, 50%, 60%) in HSL. It carries no registered color name of its own; the closest named color is Medium Turquoise (#48D1CC), which is clearly related but distinguishable side by side at a CIE76 distance of 7.91.

What is the RGB value of #66CCCC?

#66CCCC is rgb(102, 204, 204) — red 102, green 204, and blue 204 on the 0-255 scale.

What is the CMYK value of #66CCCC?

#66CCCC converts to approximately cmyk(50%, 0%, 0%, 20%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #66CCCC be black or white?

Black text is the more readable choice. #66CCCC scores 1.9:1 against white and 11.07:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

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

No. #66CCCC 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 mediumturquoise (#48D1CC) at a CIE76 distance of 7.91, which is clearly related but distinguishable side by side.

Open #66CCCC in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

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