#81FDEF Color

#81FDEF is rgb(129, 253, 239) in RGB, hsl(173, 97%, 75%) in HSL, and about cmyk(49%, 0%, 6%, 1%) in CMYK. It has no registered color name of its own — the closest is Electric Blue (#7DF9FF), visibly different at ΔE 10.36. Black text is the more readable choice on this background.

#81FDEF

HEX#81FDEF

RGBrgb(129, 253, 239)

HSLhsl(173, 97%, 75%)

HSVhsv(173, 49%, 99%)

CMYKcmyk(49%, 0%, 6%, 1%)

OKLCHoklch(91.9% 0.114 185.7)

LABlab(91.92% -38.91 -4.58)

LCHlch(91.92% 39.18 186.72)

What #81FDEF 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 #81FDEF, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Electric Blue#7DF9FFΔE 10.36 Turquoise#40E0D0ΔE 12.61 Fluorescent Blue#15F4EEΔE 13.72 Bright Turquoise#08E8DEΔE 14.26 Aquamarine#7FFFD4ΔE 14.96 Celeste#B2FFFFΔE 15.2

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

#81FDEF Channel Values

How #81FDEF 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 129 · G 253 · B 239	8-bit channels as sent to the display
HSL	H 173° · S 97% · L 75%	Easiest model for building lighter and darker variants
HSV	H 173° · S 49% · V 99%	Matches the picker in most design tools
CMYK	C 49% · M 0% · Y 6% · K 1%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	1.22:1 vs white · 17.23:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #81FDEF 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 text1.22:1AA normal AA large AAA normal

TextBlack text17.23:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #81FDEF in the contrast checker.

Colors That Go With #81FDEF

Pairings derived from color-wheel relationships. The complementary color sits opposite #81FDEF; 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 #81FDEF

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 #81FDEF.

How #81FDEF 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#81FDEF

Protanopia#EEEEEF

Protanomaly#CBF4EF

Deuteranopia#DEDEF2

Deuteranomaly#C0EBF1

Tritanopia#85FBFB

Tritanomaly#83FCF6

Achromatopsia#E9E9E9

Test a full palette in the color blindness simulator.

Using #81FDEF in Code

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

CSS custom property--color-81fdef: #81FDEF;

CSS backgroundbackground-color: #81FDEF;

Tailwind configcolors: { 'color-81fdef': '#81FDEF' }

SwiftUIColor(red: 0.506, green: 0.992, blue: 0.937)

Android XML<color name="color_81fdef">#81FDEF</color>

SVG fillfill="#81FDEF"

More Teal Colors

#81FDEF 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

#81FDEF Frequently Asked Questions

What color is #81FDEF?

#81FDEF is a light teal — rgb(129, 253, 239) in RGB and hsl(173, 97%, 75%) in HSL. It carries no registered color name of its own; the closest named color is Electric Blue (#7DF9FF), which is visibly different at a CIE76 distance of 10.36.

What is the RGB value of #81FDEF?

#81FDEF is rgb(129, 253, 239) — red 129, green 253, and blue 239 on the 0-255 scale.

What is the CMYK value of #81FDEF?

#81FDEF converts to approximately cmyk(49%, 0%, 6%, 1%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #81FDEF be black or white?

Black text is the more readable choice. #81FDEF scores 1.22:1 against white and 17.23:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #81FDEF as a CSS color keyword?

No. #81FDEF 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 12.61, which is visibly different.

Open #81FDEF 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.