#81C140#81C140

#81C140 is a light, vivid yellow-green. Relative luminance 0.432; OKLCH L 74.2% C 0.173 H 132.0°. Best body text is #000000 at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#81C140
RGB	rgb(129, 193, 64)
HSL	hsl(90, 51%, 50%)
HSV	hsv(90, 67%, 76%)
CMYK	cmyk(33.2%, 0%, 66.8%, 24.3%)
CIE-LAB	lab(71.67, -41.11, 56.21)
CIE-LCH	lch(71.67, 69.64, 126.18°)
OKLab	oklab(74.19% -0.1156 0.1282)
OKLCH	oklch(74.19% 0.173 132)
XYZ	xyz(29.0483, 43.1761, 11.6528)
Luminance	0.4318 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81C140 #8040C1

analogous

#C1C040 #81C140 #41C140

triadic

#81C140 #4081C1 #C14081

tetradic

#81C140 #40C1C0 #8040C1 #C14041

square

#81C140 #40C1C0 #8040C1 #C14041

split-complementary

#81C140 #4041C1 #C040C1

monochromatic

#446621 #629430 #81C140 #9FD06E #BEDF9C

Accessibility & contrast

On white

2.18

#81C140 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.64

#81C140 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81C140

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81C140	#FFFFFF	#000000	##000000
##81C140	1.00	2.18	9.64	9.64
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.64	21.00	1.00	1.00
##000000	9.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B32E

Deuteranopia (green-blind)

#C0AE4B

Tritanopia (blue-blind)

#83B9A7

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #81c140;
/* rgb */ color: rgb(129, 193, 64);
/* oklch */ color: oklch(74.2% 0.173 132.0);

Tailwind

colors: {
  custom: {
    50: '#aad47b',
    500: '#81c140',
    950: '#000000',
  },
}

SCSS

$custom: #81c140;
$custom-light: #aad47b;
$custom-dark: #000000;

JSON

{
  "hex": "#81c140",
  "rgb": {
    "r": 129,
    "g": 193,
    "b": 64
  },
  "hsl": {
    "h": 89.767,
    "s": 50.988,
    "l": 50.392
  },
  "oklch": {
    "l": 0.74191,
    "c": 0.17261,
    "h": 132
  },
  "luminance": 0.43177
}

Semantic roles & 50–950 ramp

primary

#81C140

secondary

#AE92CB

accent

#4DDA93

background

#FAFDF7

surface

#F4FAEE

border

#CED3C9

text

#10140A

muted

#7F837C

Preview Lab

Preview with #81C140

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

Preview Lab → · Contrast checker → · Palette generator →