#81B934#81B934

#81B934 is a light, vivid yellow-green. Relative luminance 0.396; OKLCH L 72.1% C 0.170 H 129.8°. Best body text is #000000 at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#81B934
RGB	rgb(129, 185, 52)
HSL	hsl(85, 56%, 46%)
HSV	hsv(85, 72%, 73%)
CMYK	cmyk(30.3%, 0%, 71.9%, 27.5%)
CIE-LAB	lab(69.19, -38.44, 58.27)
CIE-LCH	lch(69.19, 69.80, 123.41°)
OKLab	oklab(72.14% -0.1092 0.1309)
OKLCH	oklch(72.14% 0.17 129.8)
XYZ	xyz(27.0219, 39.6122, 9.4704)
Luminance	0.3961 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81B934 #6C34B9

analogous

#B9AF34 #81B934 #3FB934

triadic

#81B934 #3481B9 #B93481

tetradic

#81B934 #34B9AF #6C34B9 #B9343F

square

#81B934 #34B9AF #6C34B9 #B9343F

split-complementary

#81B934 #343FB9 #AF34B9

monochromatic

#3E5919 #608927 #81B934 #9ED15A #BADE89

Accessibility & contrast

On white

2.35

#81B934 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.92

#81B934 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B934

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81B934	#FFFFFF	#000000	##000000
##81B934	1.00	2.35	8.92	8.92
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.92	21.00	1.00	1.00
##000000	8.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AC1C

Deuteranopia (green-blind)

#BAA840

Tritanopia (blue-blind)

#84B19F

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #81b934;
/* rgb */ color: rgb(129, 185, 52);
/* oklch */ color: oklch(72.1% 0.170 129.8);

Tailwind

colors: {
  custom: {
    50: '#aace74',
    500: '#81b934',
    950: '#000000',
  },
}

SCSS

$custom: #81b934;
$custom-light: #aace74;
$custom-dark: #000000;

JSON

{
  "hex": "#81b934",
  "rgb": {
    "r": 129,
    "g": 185,
    "b": 52
  },
  "hsl": {
    "h": 85.263,
    "s": 56.118,
    "l": 46.471
  },
  "oklch": {
    "l": 0.72143,
    "c": 0.17045,
    "h": 129.8
  },
  "luminance": 0.39613
}

Semantic roles & 50–950 ramp

primary

#81B934

secondary

#9F81C8

accent

#48DF88

background

#FAFCF7

surface

#F4F9ED

border

#CED2C8

text

#101309

muted

#7F827B

Preview Lab

Preview with #81B934

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

Preview Lab → · Contrast checker → · Palette generator →