#81E239#81E239

#81E239 is a very light, highly saturated yellow-green. Relative luminance 0.594; OKLCH L 82.2% C 0.217 H 135.2°. Best body text is #000000 at 12.87:1 contrast (WCAG AA passes).

Color values

HEX	#81E239
RGB	rgb(129, 226, 57)
HSL	hsl(94, 74%, 55%)
HSV	hsv(94, 75%, 89%)
CMYK	cmyk(42.9%, 0%, 74.8%, 11.4%)
CIE-LAB	lab(81.49, -55.15, 68.65)
CIE-LCH	lch(81.49, 88.06, 128.78°)
OKLab	oklab(82.2% -0.1541 0.1533)
OKLCH	oklch(82.2% 0.217 135.2)
XYZ	xyz(36.9873, 59.3531, 13.3775)
Luminance	0.5936 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81E239 #9A39E2

analogous

#D5E239 #81E239 #39E245

triadic

#81E239 #3981E2 #E23981

tetradic

#81E239 #39D5E2 #9A39E2 #E24539

square

#81E239 #39D5E2 #9A39E2 #E24539

split-complementary

#81E239 #4539E2 #E239D5

monochromatic

#478C15 #63C11C #81E239 #A3EA6E #C5F2A4

Accessibility & contrast

On white

1.63

#81E239 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.87

#81E239 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81E239

12.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81E239	#FFFFFF	#000000	##000000
##81E239	1.00	1.63	12.87	12.87
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.87	21.00	1.00	1.00
##000000	12.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EACF11

Deuteranopia (green-blind)

#DDC84B

Tritanopia (blue-blind)

#7ED9C2

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #81e239;
/* rgb */ color: rgb(129, 226, 57);
/* oklch */ color: oklch(82.2% 0.217 135.2);

Tailwind

colors: {
  custom: {
    50: '#adec7b',
    500: '#81e239',
    950: '#000000',
  },
}

SCSS

$custom: #81e239;
$custom-light: #adec7b;
$custom-dark: #000000;

JSON

{
  "hex": "#81e239",
  "rgb": {
    "r": 129,
    "g": 226,
    "b": 57
  },
  "hsl": {
    "h": 94.438,
    "s": 74.449,
    "l": 55.49
  },
  "oklch": {
    "l": 0.82197,
    "c": 0.21741,
    "h": 135.2
  },
  "luminance": 0.59355
}

Semantic roles & 50–950 ramp

primary

#81E239

secondary

#672E91

accent

#37F1A2

background

#FDFFFB

surface

#F8FEF2

border

#D1D6CC

text

#11160A

muted

#81857D

Preview Lab

Preview with #81E239

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

Preview Lab → · Contrast checker → · Palette generator →