#81B751#81B751

#81B751 is a light, vivid yellow-green. Relative luminance 0.391; OKLCH L 71.9% C 0.145 H 132.3°. Best body text is #000000 at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#81B751
RGB	rgb(129, 183, 81)
HSL	hsl(92, 41%, 52%)
HSV	hsv(92, 56%, 72%)
CMYK	cmyk(29.5%, 0%, 55.7%, 28.2%)
CIE-LAB	lab(68.84, -35.12, 45.61)
CIE-LCH	lch(68.84, 57.56, 127.60°)
OKLab	oklab(71.94% -0.0977 0.1075)
OKLCH	oklch(71.94% 0.145 132.3)
XYZ	xyz(27.4715, 39.1273, 13.8879)
Luminance	0.3913 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81B751 #8751B7

analogous

#B4B751 #81B751 #51B754

triadic

#81B751 #5181B7 #B75181

tetradic

#81B751 #51B4B7 #8751B7 #B75451

square

#81B751 #51B4B7 #8751B7 #B75451

split-complementary

#81B751 #5451B7 #B751B4

monochromatic

#456429 #638F3B #81B751 #A0C97C #C0DBA8

Accessibility & contrast

On white

2.38

#81B751 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.83

#81B751 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B751

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81B751	#FFFFFF	#000000	##000000
##81B751	1.00	2.38	8.83	8.83
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.83	21.00	1.00	1.00
##000000	8.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEAB47

Deuteranopia (green-blind)

#B6A658

Tritanopia (blue-blind)

#82B0A0

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #81b751;
/* rgb */ color: rgb(129, 183, 81);
/* oklch */ color: oklch(71.9% 0.145 132.3);

Tailwind

colors: {
  custom: {
    50: '#a8cd85',
    500: '#81b751',
    950: '#000000',
  },
}

SCSS

$custom: #81b751;
$custom-light: #a8cd85;
$custom-dark: #000000;

JSON

{
  "hex": "#81b751",
  "rgb": {
    "r": 129,
    "g": 183,
    "b": 81
  },
  "hsl": {
    "h": 91.765,
    "s": 41.463,
    "l": 51.765
  },
  "oklch": {
    "l": 0.71939,
    "c": 0.14531,
    "h": 132.3
  },
  "luminance": 0.39128
}

Semantic roles & 50–950 ramp

primary

#81B751

secondary

#B39CC8

accent

#57D198

background

#FAFCF8

surface

#F4F9EF

border

#CED2CA

text

#10130B

muted

#7F827C

Preview Lab

Preview with #81B751

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

Preview Lab → · Contrast checker → · Palette generator →