#81E643#81E643

#81E643 is a very light, highly saturated yellow-green. Relative luminance 0.617; OKLCH L 83.2% C 0.217 H 136.1°. Best body text is #000000 at 13.33:1 contrast (WCAG AA passes).

Color values

HEX	#81E643
RGB	rgb(129, 230, 67)
HSL	hsl(97, 77%, 58%)
HSV	hsv(97, 71%, 90%)
CMYK	cmyk(43.9%, 0%, 70.9%, 9.8%)
CIE-LAB	lab(82.73, -56.07, 66.50)
CIE-LCH	lch(82.73, 86.99, 130.13°)
OKLab	oklab(83.24% -0.156 0.1502)
OKLCH	oklch(83.24% 0.217 136.1)
XYZ	xyz(38.3622, 61.6637, 15.1900)
Luminance	0.6167 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81E643 #A843E6

analogous

#D2E643 #81E643 #43E656

triadic

#81E643 #4381E6 #E64381

tetradic

#81E643 #43D2E6 #A843E6 #E65643

square

#81E643 #43D2E6 #A843E6 #E65643

split-complementary

#81E643 #5643E6 #E643D2

monochromatic

#479A14 #60D01C #81E643 #A5ED79 #C9F4AF

Accessibility & contrast

On white

1.58

#81E643 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.33

#81E643 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81E643

13.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81E643	#FFFFFF	#000000	##000000
##81E643	1.00	1.58	13.33	13.33
#FFFFFF	1.58	1.00	21.00	21.00
#000000	13.33	21.00	1.00	1.00
##000000	13.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EED327

Deuteranopia (green-blind)

#E0CB53

Tritanopia (blue-blind)

#7DDEC6

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #81e643;
/* rgb */ color: rgb(129, 230, 67);
/* oklch */ color: oklch(83.2% 0.217 136.1);

Tailwind

colors: {
  custom: {
    50: '#adee81',
    500: '#81e643',
    950: '#000000',
  },
}

SCSS

$custom: #81e643;
$custom-light: #adee81;
$custom-dark: #000000;

JSON

{
  "hex": "#81e643",
  "rgb": {
    "r": 129,
    "g": 230,
    "b": 67
  },
  "hsl": {
    "h": 97.178,
    "s": 76.526,
    "l": 58.235
  },
  "oklch": {
    "l": 0.83241,
    "c": 0.21653,
    "h": 136.1
  },
  "luminance": 0.61666
}

Semantic roles & 50–950 ramp

primary

#81E643

secondary

#74309E

accent

#35F3AB

background

#FDFFFB

surface

#F8FEF2

border

#D1D6CC

text

#11160B

muted

#81857E

Preview Lab

Preview with #81E643

Body copy rendered with the generated semantic roles for this colour.

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