#81B034#81B034

#81B034 is a light, vivid yellow-green. Relative luminance 0.360; OKLCH L 69.9% C 0.159 H 128.1°. Best body text is #000000 at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#81B034
RGB	rgb(129, 176, 52)
HSL	hsl(83, 54%, 45%)
HSV	hsv(83, 70%, 69%)
CMYK	cmyk(26.7%, 0%, 70.5%, 31%)
CIE-LAB	lab(66.49, -34.37, 55.55)
CIE-LCH	lch(66.49, 65.33, 121.74°)
OKLab	oklab(69.95% -0.0981 0.1252)
OKLCH	oklch(69.95% 0.159 128.1)
XYZ	xyz(25.1984, 35.9652, 8.8625)
Luminance	0.3597 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81B034 #6334B0

analogous

#B0A134 #81B034 #43B034

triadic

#81B034 #3481B0 #B03481

tetradic

#81B034 #34B0A1 #6334B0 #B03443

square

#81B034 #34B0A1 #6334B0 #B03443

split-complementary

#81B034 #3443B0 #A134B0

monochromatic

#3C5218 #5E8126 #81B034 #9FCD55 #BADB84

Accessibility & contrast

On white

2.56

#81B034 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.19

#81B034 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B034

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81B034	#FFFFFF	#000000	##000000
##81B034	1.00	2.56	8.19	8.19
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.19	21.00	1.00	1.00
##000000	8.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A420

Deuteranopia (green-blind)

#B2A13F

Tritanopia (blue-blind)

#85A897

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #81b034;
/* rgb */ color: rgb(129, 176, 52);
/* oklch */ color: oklch(69.9% 0.159 128.1);

Tailwind

colors: {
  custom: {
    50: '#a9c873',
    500: '#81b034',
    950: '#000000',
  },
}

SCSS

$custom: #81b034;
$custom-light: #a9c873;
$custom-dark: #000000;

JSON

{
  "hex": "#81b034",
  "rgb": {
    "r": 129,
    "g": 176,
    "b": 52
  },
  "hsl": {
    "h": 82.742,
    "s": 54.386,
    "l": 44.706
  },
  "oklch": {
    "l": 0.69949,
    "c": 0.15904,
    "h": 128.1
  },
  "luminance": 0.35966
}

Semantic roles & 50–950 ramp

primary

#81B034

secondary

#977CC4

accent

#4ADE82

background

#FAFCF7

surface

#F4F8ED

border

#CED1C8

text

#101308

muted

#7F827B

Preview Lab

Preview with #81B034

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

Preview Lab → · Contrast checker → · Palette generator →