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#66EADB Color

#66EADB is rgb(102, 234, 219) in RGB, hsl(173, 76%, 66%) in HSL, and about cmyk(56%, 0%, 6%, 8%) in CMYK. It has no registered color name of its own — the closest is Turquoise (#40E0D0), clearly related but distinguishable side by side at ΔE 6.14. Black text is the more readable choice on this background.

#66EADB
HEX#66EADB
RGBrgb(102, 234, 219)
HSLhsl(173, 76%, 66%)
HSVhsv(173, 56%, 92%)
CMYKcmyk(56%, 0%, 6%, 8%)
OKLCHoklch(85.9% 0.118 185.1)
LABlab(85.12% -40.64 -4.26)
LCHlch(85.12% 40.86 185.99)

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

Turquoise#40E0D0ΔE 6.14Medium Turquoise#48D1CCΔE 9.92Bright Turquoise#08E8DEΔE 9.99Fluorescent Blue#15F4EEΔE 11.79Electric Blue#7DF9FFΔE 12.8Robin Egg Blue#00CCCCΔE 13.97

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

#66EADB Channel Values

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

ModelChannelsNotes
RGBR 102 · G 234 · B 2198-bit channels as sent to the display
HSLH 173° · S 76% · L 66%Easiest model for building lighter and darker variants
HSVH 173° · S 56% · V 92%Matches the picker in most design tools
CMYKC 56% · M 0% · Y 6% · K 8%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.46:1 vs white · 14.36:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #66EADB 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 text1.46:1AA normal AA large AAA normal
TextBlack text14.36:1AA normal AA large AAA normal

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

Colors That Go With #66EADB

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

Base
#66EADB
Complementary
#EA6676
Analogous
#66EA99
Analogous
#66B8EA
Triadic
#DB66EA
Triadic
#EADB66
Split comp.
#EA66B8
Split comp.
#EA9966

Tints & Shades of #66EADB

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

#7DEDE0
#8FF0E4
#A5F3EA
#B7F5EE
#CEF8F3
#E0FBF8

Shades

#3EE5D1
#1DD7C2
#18AF9D
#138B7D
#0D6359
#083A34

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

How #66EADB 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#66EADB
Protanopia#DBDBDB
Protanomaly#B7E1DB
Deuteranopia#CBCBDE
Deuteranomaly#ACD8DD
Tritanopia#6BE8E8
Tritanomaly#69E9E3
Achromatopsia#D5D5D5

Test a full palette in the color blindness simulator.

Using #66EADB in Code

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

CSS custom property--color-66eadb: #66EADB;
CSS backgroundbackground-color: #66EADB;
Tailwind configcolors: { 'color-66eadb': '#66EADB' }
SwiftUIColor(red: 0.400, green: 0.918, blue: 0.859)
Android XML<color name="color_66eadb">#66EADB</color>
SVG fillfill="#66EADB"

More Teal Colors

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

002424f5ffff002a38f0ffff002d2eeefbfb003333ecfeff003542ecf7f9003838ebffff00646600999900ebeb0d161619292924fbff36747d50bfe673a9c28dd9ccaec6cfccffff

#66EADB Frequently Asked Questions

What color is #66EADB?

#66EADB is a light teal — rgb(102, 234, 219) in RGB and hsl(173, 76%, 66%) in HSL. It carries no registered color name of its own; the closest named color is Turquoise (#40E0D0), which is clearly related but distinguishable side by side at a CIE76 distance of 6.14.

What is the RGB value of #66EADB?

#66EADB is rgb(102, 234, 219) — red 102, green 234, and blue 219 on the 0-255 scale.

What is the CMYK value of #66EADB?

#66EADB converts to approximately cmyk(56%, 0%, 6%, 8%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #66EADB be black or white?

Black text is the more readable choice. #66EADB scores 1.46:1 against white and 14.36:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

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

No. #66EADB 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 turquoise (#40E0D0) at a CIE76 distance of 6.14, which is clearly related but distinguishable side by side.

Open #66EADB in a Tool

Hex to RGBHex to HSLHex to CMYKHex to OKLCHHex to PantoneBuild a paletteMake a gradient

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