#81C536#81C536

#81C536 is a light, vivid yellow-green. Relative luminance 0.449; OKLCH L 75.1% C 0.184 H 131.9°. Best body text is #000000 at 9.97:1 contrast (WCAG AA passes).

Color values

HEX	#81C536
RGB	rgb(129, 197, 54)
HSL	hsl(89, 57%, 49%)
HSV	hsv(89, 73%, 77%)
CMYK	cmyk(34.5%, 0%, 72.6%, 22.7%)
CIE-LAB	lab(72.80, -43.53, 61.15)
CIE-LCH	lch(72.80, 75.06, 125.45°)
OKLab	oklab(75.09% -0.1229 0.1372)
OKLCH	oklch(75.09% 0.184 131.9)
XYZ	xyz(29.6850, 44.8648, 10.5850)
Luminance	0.4487 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81C536 #7A36C5

analogous

#C5C136 #81C536 #3AC536

triadic

#81C536 #3681C5 #C53681

tetradic

#81C536 #36C5C1 #7A36C5 #C5363A

square

#81C536 #36C5C1 #7A36C5 #C5363A

split-complementary

#81C536 #363AC5 #C136C5

monochromatic

#42651C #629529 #81C536 #9FD464 #BDE294

Accessibility & contrast

On white

2.11

#81C536 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.97

#81C536 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81C536

9.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81C536	#FFFFFF	#000000	##000000
##81C536	1.00	2.11	9.97	9.97
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.97	21.00	1.00	1.00
##000000	9.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB61B

Deuteranopia (green-blind)

#C4B144

Tritanopia (blue-blind)

#83BDA9

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #81c536;
/* rgb */ color: rgb(129, 197, 54);
/* oklch */ color: oklch(75.1% 0.184 131.9);

Tailwind

colors: {
  custom: {
    50: '#abd776',
    500: '#81c536',
    950: '#000000',
  },
}

SCSS

$custom: #81c536;
$custom-light: #abd776;
$custom-dark: #000000;

JSON

{
  "hex": "#81c536",
  "rgb": {
    "r": 129,
    "g": 197,
    "b": 54
  },
  "hsl": {
    "h": 88.531,
    "s": 56.972,
    "l": 49.216
  },
  "oklch": {
    "l": 0.75088,
    "c": 0.18419,
    "h": 131.9
  },
  "luminance": 0.44866
}

Semantic roles & 50–950 ramp

primary

#81C536

secondary

#AA8ACD

accent

#48E090

background

#FAFDF7

surface

#F5FAEE

border

#CFD3C9

text

#111409

muted

#80837B

Preview Lab

Preview with #81C536

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

Preview Lab → · Contrast checker → · Palette generator →