#81E243#81E243

#81E243 is a very light, highly saturated yellow-green. Relative luminance 0.595; OKLCH L 82.3% C 0.212 H 135.8°. Best body text is #000000 at 12.89:1 contrast (WCAG AA passes).

Color values

HEX	#81E243
RGB	rgb(129, 226, 67)
HSL	hsl(97, 73%, 57%)
HSV	hsv(97, 70%, 89%)
CMYK	cmyk(42.9%, 0%, 70.4%, 11.4%)
CIE-LAB	lab(81.55, -54.51, 65.30)
CIE-LCH	lch(81.55, 85.06, 129.86°)
OKLab	oklab(82.27% -0.1518 0.1477)
OKLCH	oklch(82.27% 0.212 135.8)
XYZ	xyz(37.2618, 59.4629, 14.8232)
Luminance	0.5947 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81E243 #A443E2

analogous

#D0E243 #81E243 #43E255

triadic

#81E243 #4381E2 #E24381

tetradic

#81E243 #43D0E2 #A443E2 #E25543

square

#81E243 #43D0E2 #A443E2 #E25543

split-complementary

#81E243 #5543E2 #E243D0

monochromatic

#489417 #61C91F #81E243 #A5EA78 #C8F2AD

Accessibility & contrast

On white

1.63

#81E243 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.89

#81E243 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81E243

12.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81E243	#FFFFFF	#000000	##000000
##81E243	1.00	1.63	12.89	12.89
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.89	21.00	1.00	1.00
##000000	12.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAD028

Deuteranopia (green-blind)

#DDC852

Tritanopia (blue-blind)

#7EDAC3

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #81e243;
/* rgb */ color: rgb(129, 226, 67);
/* oklch */ color: oklch(82.3% 0.212 135.8);

Tailwind

colors: {
  custom: {
    50: '#adec80',
    500: '#81e243',
    950: '#000000',
  },
}

SCSS

$custom: #81e243;
$custom-light: #adec80;
$custom-dark: #000000;

JSON

{
  "hex": "#81e243",
  "rgb": {
    "r": 129,
    "g": 226,
    "b": 67
  },
  "hsl": {
    "h": 96.604,
    "s": 73.272,
    "l": 57.451
  },
  "oklch": {
    "l": 0.82266,
    "c": 0.21175,
    "h": 135.8
  },
  "luminance": 0.59465
}

Semantic roles & 50–950 ramp

primary

#81E243

secondary

#703198

accent

#38F0A8

background

#FDFFFB

surface

#F8FEF2

border

#D1D6CC

text

#11160B

muted

#81857E

Preview Lab

Preview with #81E243

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

Preview Lab → · Contrast checker → · Palette generator →