#81BD37#81BD37

#81BD37 is a light, vivid yellow-green. Relative luminance 0.413; OKLCH L 73.1% C 0.174 H 130.7°. Best body text is #000000 at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#81BD37
RGB	rgb(129, 189, 55)
HSL	hsl(87, 55%, 48%)
HSV	hsv(87, 71%, 74%)
CMYK	cmyk(31.7%, 0%, 70.9%, 25.9%)
CIE-LAB	lab(70.41, -40.01, 58.39)
CIE-LCH	lch(70.41, 70.78, 124.42°)
OKLab	oklab(73.14% -0.1133 0.1316)
OKLCH	oklch(73.14% 0.174 130.7)
XYZ	xyz(27.9402, 41.3372, 10.1205)
Luminance	0.4134 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BD37 #7337BD

analogous

#BDB637 #81BD37 #3EBD37

triadic

#81BD37 #3781BD #BD3781

tetradic

#81BD37 #37BDB6 #7337BD #BD373E

square

#81BD37 #37BDB6 #7337BD #BD373E

split-complementary

#81BD37 #373EBD #B637BD

monochromatic

#405E1B #618E29 #81BD37 #9ED160 #BBDF90

Accessibility & contrast

On white

2.27

#81BD37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.27

#81BD37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BD37

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BD37	#FFFFFF	#000000	##000000
##81BD37	1.00	2.27	9.27	9.27
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.27	21.00	1.00	1.00
##000000	9.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AF21

Deuteranopia (green-blind)

#BDAB43

Tritanopia (blue-blind)

#84B5A3

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #81bd37;
/* rgb */ color: rgb(129, 189, 55);
/* oklch */ color: oklch(73.1% 0.174 130.7);

Tailwind

colors: {
  custom: {
    50: '#aad176',
    500: '#81bd37',
    950: '#000000',
  },
}

SCSS

$custom: #81bd37;
$custom-light: #aad176;
$custom-dark: #000000;

JSON

{
  "hex": "#81bd37",
  "rgb": {
    "r": 129,
    "g": 189,
    "b": 55
  },
  "hsl": {
    "h": 86.866,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.73141,
    "c": 0.17359,
    "h": 130.7
  },
  "luminance": 0.41338
}

Semantic roles & 50–950 ramp

primary

#81BD37

secondary

#A486C9

accent

#4ADE8C

background

#FAFCF7

surface

#F4F9ED

border

#CED2C8

text

#101409

muted

#7F827B

Preview Lab

Preview with #81BD37

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

Preview Lab → · Contrast checker → · Palette generator →