#81E240#81E240

#81E240 is a very light, highly saturated yellow-green. Relative luminance 0.594; OKLCH L 82.2% C 0.214 H 135.6°. Best body text is #000000 at 12.89:1 contrast (WCAG AA passes).

Color values

HEX	#81E240
RGB	rgb(129, 226, 64)
HSL	hsl(96, 74%, 57%)
HSV	hsv(96, 72%, 89%)
CMYK	cmyk(42.9%, 0%, 71.7%, 11.4%)
CIE-LAB	lab(81.53, -54.72, 66.34)
CIE-LCH	lch(81.53, 86.00, 129.51°)
OKLab	oklab(82.24% -0.1525 0.1495)
OKLCH	oklch(82.24% 0.214 135.6)
XYZ	xyz(37.1741, 59.4278, 14.3614)
Luminance	0.5943 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81E240 #A140E2

analogous

#D2E240 #81E240 #40E250

triadic

#81E240 #4081E2 #E24081

tetradic

#81E240 #40D2E2 #A140E2 #E25040

square

#81E240 #40D2E2 #A140E2 #E25040

split-complementary

#81E240 #5040E2 #E240D2

monochromatic

#489216 #62C71E #81E240 #A4EA75 #C7F2AA

Accessibility & contrast

On white

1.63

#81E240 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.89

#81E240 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81E240

12.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81E240	#FFFFFF	#000000	##000000
##81E240	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)

#EAD023

Deuteranopia (green-blind)

#DDC850

Tritanopia (blue-blind)

#7EDAC2

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #81e240;
/* rgb */ color: rgb(129, 226, 64);
/* oklch */ color: oklch(82.2% 0.214 135.6);

Tailwind

colors: {
  custom: {
    50: '#adec7f',
    500: '#81e240',
    950: '#000000',
  },
}

SCSS

$custom: #81e240;
$custom-light: #adec7f;
$custom-dark: #000000;

JSON

{
  "hex": "#81e240",
  "rgb": {
    "r": 129,
    "g": 226,
    "b": 64
  },
  "hsl": {
    "h": 95.926,
    "s": 73.636,
    "l": 56.863
  },
  "oklch": {
    "l": 0.82244,
    "c": 0.21354,
    "h": 135.6
  },
  "luminance": 0.5943
}

Semantic roles & 50–950 ramp

primary

#81E240

secondary

#6D3096

accent

#38F0A6

background

#FDFFFB

surface

#F8FEF2

border

#D1D6CC

text

#11160B

muted

#81857E

Preview Lab

Preview with #81E240

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

Preview Lab → · Contrast checker → · Palette generator →