#81C436#81C436

#81C436 is a light, vivid yellow-green. Relative luminance 0.444; OKLCH L 74.8% C 0.183 H 131.7°. Best body text is #000000 at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#81C436
RGB	rgb(129, 196, 54)
HSL	hsl(88, 57%, 49%)
HSV	hsv(88, 72%, 77%)
CMYK	cmyk(34.2%, 0%, 72.4%, 23.1%)
CIE-LAB	lab(72.50, -43.11, 60.85)
CIE-LCH	lch(72.50, 74.57, 125.31°)
OKLab	oklab(74.84% -0.1218 0.1366)
OKLCH	oklch(74.84% 0.183 131.7)
XYZ	xyz(29.4587, 44.4122, 10.5096)
Luminance	0.4441 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81C436 #7936C4

analogous

#C4C036 #81C436 #3AC436

triadic

#81C436 #3681C4 #C43681

tetradic

#81C436 #36C4C0 #7936C4 #C4363A

square

#81C436 #36C4C0 #7936C4 #C4363A

split-complementary

#81C436 #363AC4 #C036C4

monochromatic

#42641C #619429 #81C436 #9FD463 #BCE193

Accessibility & contrast

On white

2.12

#81C436 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.88

#81C436 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81C436

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81C436	#FFFFFF	#000000	##000000
##81C436	1.00	2.12	9.88	9.88
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.88	21.00	1.00	1.00
##000000	9.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCB51C

Deuteranopia (green-blind)

#C3B043

Tritanopia (blue-blind)

#83BCA8

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #81c436;
/* rgb */ color: rgb(129, 196, 54);
/* oklch */ color: oklch(74.8% 0.183 131.7);

Tailwind

colors: {
  custom: {
    50: '#abd676',
    500: '#81c436',
    950: '#000000',
  },
}

SCSS

$custom: #81c436;
$custom-light: #abd676;
$custom-dark: #000000;

JSON

{
  "hex": "#81c436",
  "rgb": {
    "r": 129,
    "g": 196,
    "b": 54
  },
  "hsl": {
    "h": 88.31,
    "s": 56.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.74844,
    "c": 0.18296,
    "h": 131.7
  },
  "luminance": 0.44413
}

Semantic roles & 50–950 ramp

primary

#81C436

secondary

#A989CC

accent

#48E090

background

#FAFDF7

surface

#F5FAED

border

#CFD3C8

text

#101409

muted

#7F837B

Preview Lab

Preview with #81C436

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

Preview Lab → · Contrast checker → · Palette generator →