#ECFEFF Color

#ECFEFF is rgb(236, 254, 255) in RGB, hsl(183, 100%, 96%) in HSL, and about cmyk(7%, 0%, 0%, 0%) in CMYK. It has no registered color name of its own — the closest is Azure (#F0FFFF), below the threshold most people can see at ΔE 1.31. Black text is the more readable choice on this background.

#ECFEFF

HEX#ECFEFF

RGBrgb(236, 254, 255)

HSLhsl(183, 100%, 96%)

HSVhsv(183, 7%, 100%)

CMYKcmyk(7%, 0%, 0%, 0%)

OKLCHoklch(98.4% 0.019 200.9)

LABlab(98.34% -5.94 -2.61)

LCHlch(98.34% 6.49 203.69)

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

Azure#F0FFFFΔE 1.31 Mint Cream#F5FFFAΔE 4.31 Light Cyan#E0FFFFΔE 4.55 Alice Blue#F0F8FFΔE 4.67 Traffic White#F7FBF5ΔE 6.27 White#FFFFFFΔE 6.69

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

#ECFEFF Channel Values

How #ECFEFF 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 236 · G 254 · B 255	8-bit channels as sent to the display
HSL	H 183° · S 100% · L 96%	Easiest model for building lighter and darker variants
HSV	H 183° · S 7% · V 100%	Matches the picker in most design tools
CMYK	C 7% · M 0% · Y 0% · K 0%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	1.04:1 vs white · 20.19:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #ECFEFF 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 text1.04:1AA normal AA large AAA normal

TextBlack text20.19:1AA normal AA large AAA normal

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

Colors That Go With #ECFEFF

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

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

#EBFEFF

#F0FEFF

#F5FEFF

Shades

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

How #ECFEFF 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#ECFEFF

Protanopia#FBFBFF

Protanomaly#F5FCFF

Deuteranopia#F8F8FF

Deuteranomaly#F3FBFF

Tritanopia#ECFEFE

Tritanomaly#ECFEFE

Achromatopsia#FAFAFA

Test a full palette in the color blindness simulator.

Using #ECFEFF in Code

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

CSS custom property--color-ecfeff: #ECFEFF;

CSS backgroundbackground-color: #ECFEFF;

Tailwind configcolors: { 'color-ecfeff': '#ECFEFF' }

SwiftUIColor(red: 0.925, green: 0.996, blue: 1.000)

Android XML<color name="color_ecfeff">#ECFEFF</color>

SVG fillfill="#ECFEFF"

More Teal Colors

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

eefbfb ecf7f9 f0ffff ebffff f5ffff ebf6f9 001f1f e5ffff 002424 e5f4fb 002a38 e4f4f6 005f5f 009494 00d5be 0abab5 15f4ee 232b2b 339999 4a646c 66ffff 8ae2ff add8e6 c6f1ef

#ECFEFF Frequently Asked Questions

What color is #ECFEFF?

#ECFEFF is a lightest teal — rgb(236, 254, 255) in RGB and hsl(183, 100%, 96%) in HSL. It carries no registered color name of its own; the closest named color is Azure (#F0FFFF), which is below the threshold most people can see at a CIE76 distance of 1.31.

What is the RGB value of #ECFEFF?

#ECFEFF is rgb(236, 254, 255) — red 236, green 254, and blue 255 on the 0-255 scale.

What is the CMYK value of #ECFEFF?

#ECFEFF converts to approximately cmyk(7%, 0%, 0%, 0%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #ECFEFF be black or white?

Black text is the more readable choice. #ECFEFF scores 1.04:1 against white and 20.19:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #ECFEFF as a CSS color keyword?

No. #ECFEFF 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 azure (#F0FFFF) at a CIE76 distance of 1.31, which is below the threshold most people can see.

Open #ECFEFF 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.