#81B129#81B129

#81B129 is a light, vivid yellow-green. Relative luminance 0.363; OKLCH L 70.1% C 0.167 H 127.7°. Best body text is #000000 at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#81B129
RGB	rgb(129, 177, 41)
HSL	hsl(81, 62%, 43%)
HSV	hsv(81, 77%, 69%)
CMYK	cmyk(27.1%, 0%, 76.8%, 30.6%)
CIE-LAB	lab(66.73, -35.47, 59.67)
CIE-LCH	lch(66.73, 69.42, 120.73°)
OKLab	oklab(70.12% -0.102 0.1321)
OKLCH	oklch(70.12% 0.167 127.7)
XYZ	xyz(25.1757, 36.2709, 7.7720)
Luminance	0.3627 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81B129 #5929B1

analogous

#B19D29 #81B129 #3DB129

triadic

#81B129 #2981B1 #B12981

tetradic

#81B129 #29B19D #5929B1 #B1293D

square

#81B129 #29B19D #5929B1 #B1293D

split-complementary

#81B129 #293DB1 #9D29B1

monochromatic

#394E12 #5D7F1D #81B129 #A1D444 #BADF75

Accessibility & contrast

On white

2.54

#81B129 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.25

#81B129 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B129

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81B129	#FFFFFF	#000000	##000000
##81B129	1.00	2.54	8.25	8.25
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.25	21.00	1.00	1.00
##000000	8.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA404

Deuteranopia (green-blind)

#B4A137

Tritanopia (blue-blind)

#86A998

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #81b129;
/* rgb */ color: rgb(129, 177, 41);
/* oklch */ color: oklch(70.1% 0.167 127.7);

Tailwind

colors: {
  custom: {
    50: '#aac86e',
    500: '#81b129',
    950: '#000000',
  },
}

SCSS

$custom: #81b129;
$custom-light: #aac86e;
$custom-dark: #000000;

JSON

{
  "hex": "#81b129",
  "rgb": {
    "r": 129,
    "g": 177,
    "b": 41
  },
  "hsl": {
    "h": 81.176,
    "s": 62.385,
    "l": 42.745
  },
  "oklch": {
    "l": 0.70117,
    "c": 0.16688,
    "h": 127.7
  },
  "luminance": 0.36272
}

Semantic roles & 50–950 ramp

primary

#81B129

secondary

#8E6FC7

accent

#42E57C

background

#FAFCF6

surface

#F4F8EC

border

#CED1C7

text

#101308

muted

#7F827B

Preview Lab

Preview with #81B129

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

Preview Lab → · Contrast checker → · Palette generator →