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#81EFCF Color

#81EFCF is rgb(129, 239, 207) in RGB, hsl(163, 77%, 72%) in HSL, and about cmyk(46%, 0%, 13%, 6%) in CMYK. It has no registered color name of its own — the closest is Aquamarine (#7FFFD4), clearly related but distinguishable side by side at ΔE 8.56. Black text is the more readable choice on this background.

#81EFCF
HEX#81EFCF
RGBrgb(129, 239, 207)
HSLhsl(163, 77%, 72%)
HSVhsv(163, 46%, 94%)
CMYKcmyk(46%, 0%, 13%, 6%)
OKLCHoklch(87.8% 0.112 172.6)
LABlab(87.26% -38.79 5.21)
LCHlch(87.26% 39.14 172.35)

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

Aquamarine#7FFFD4ΔE 8.56Seafoam#93E9BEΔE 8.64Zeal#91E0B7ΔE 10.52Pearl Aqua#88D8C0ΔE 11.32Magic Mint#AAF0D1ΔE 11.81Medium Aquamarine#66CDAAΔE 12.05

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

#81EFCF Channel Values

How #81EFCF 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 129 · G 239 · B 2078-bit channels as sent to the display
HSLH 163° · S 77% · L 72%Easiest model for building lighter and darker variants
HSVH 163° · S 46% · V 94%Matches the picker in most design tools
CMYKC 46% · M 0% · Y 13% · K 6%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.38:1 vs white · 15.18:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #81EFCF 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 text1.38:1AA normal AA large AAA normal
TextBlack text15.18:1AA normal AA large AAA normal

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

Colors That Go With #81EFCF

Pairings derived from color-wheel relationships. The complementary color sits opposite #81EFCF; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#81EFCF
Complementary
#EF81A0
Analogous
#81EF98
Analogous
#81D7EF
Triadic
#CF81EF
Triadic
#EFCF81
Split comp.
#EF81D7
Split comp.
#EF9881

Tints & Shades of #81EFCF

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

#93F1D6
#A0F3DB
#B2F5E2
#C4F7E9
#D6FAF0
#E4FBF5

Shades

#53E9BE
#2BE3AF
#19C292
#139570
#0D684E
#083F30

Want a full 50-950 ramp with semantic roles? Generate design tokens from #81EFCF.

How #81EFCF 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#81EFCF
Protanopia#E1E1CF
Protanomaly#C2E7CF
Deuteranopia#D3D3D2
Deuteranomaly#B8DFD1
Tritanopia#89EBEB
Tritanomaly#86EDE1
Achromatopsia#DBDBDB

Test a full palette in the color blindness simulator.

Using #81EFCF in Code

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

CSS custom property--color-81efcf: #81EFCF;
CSS backgroundbackground-color: #81EFCF;
Tailwind configcolors: { 'color-81efcf': '#81EFCF' }
SwiftUIColor(red: 0.506, green: 0.937, blue: 0.812)
Android XML<color name="color_81efcf">#81EFCF</color>
SVG fillfill="#81EFCF"

More Green Colors

#81EFCF sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#81EFCF Frequently Asked Questions

What color is #81EFCF?

#81EFCF is a light green — rgb(129, 239, 207) in RGB and hsl(163, 77%, 72%) in HSL. It carries no registered color name of its own; the closest named color is Aquamarine (#7FFFD4), which is clearly related but distinguishable side by side at a CIE76 distance of 8.56.

What is the RGB value of #81EFCF?

#81EFCF is rgb(129, 239, 207) — red 129, green 239, and blue 207 on the 0-255 scale.

What is the CMYK value of #81EFCF?

#81EFCF converts to approximately cmyk(46%, 0%, 13%, 6%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #81EFCF be black or white?

Black text is the more readable choice. #81EFCF scores 1.38:1 against white and 15.18:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

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

No. #81EFCF 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 aquamarine (#7FFFD4) at a CIE76 distance of 8.56, which is clearly related but distinguishable side by side.

Open #81EFCF in a Tool

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

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