#81BE37#81BE37

#81BE37 is a light, vivid yellow-green. Relative luminance 0.418; OKLCH L 73.4% C 0.175 H 130.9°. Best body text is #000000 at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#81BE37
RGB	rgb(129, 190, 55)
HSL	hsl(87, 55%, 48%)
HSV	hsv(87, 71%, 75%)
CMYK	cmyk(32.1%, 0%, 71.1%, 25.5%)
CIE-LAB	lab(70.71, -40.45, 58.69)
CIE-LCH	lch(70.71, 71.28, 124.57°)
OKLab	oklab(73.39% -0.1145 0.1322)
OKLCH	oklch(73.39% 0.175 130.9)
XYZ	xyz(28.1561, 41.7689, 10.1924)
Luminance	0.4177 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BE37 #7437BE

analogous

#BEB737 #81BE37 #3EBE37

triadic

#81BE37 #3781BE #BE3781

tetradic

#81BE37 #37BEB7 #7437BE #BE373E

square

#81BE37 #37BEB7 #7437BE #BE373E

split-complementary

#81BE37 #373EBE #B737BE

monochromatic

#415F1C #618F29 #81BE37 #9FD161 #BBDF90

Accessibility & contrast

On white

2.25

#81BE37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.35

#81BE37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BE37

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BE37	#FFFFFF	#000000	##000000
##81BE37	1.00	2.25	9.35	9.35
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.35	21.00	1.00	1.00
##000000	9.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6B020

Deuteranopia (green-blind)

#BEAB43

Tritanopia (blue-blind)

#84B6A3

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #81be37;
/* rgb */ color: rgb(129, 190, 55);
/* oklch */ color: oklch(73.4% 0.175 130.9);

Tailwind

colors: {
  custom: {
    50: '#aad276',
    500: '#81be37',
    950: '#000000',
  },
}

SCSS

$custom: #81be37;
$custom-light: #aad276;
$custom-dark: #000000;

JSON

{
  "hex": "#81be37",
  "rgb": {
    "r": 129,
    "g": 190,
    "b": 55
  },
  "hsl": {
    "h": 87.111,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.73385,
    "c": 0.17485,
    "h": 130.9
  },
  "luminance": 0.4177
}

Semantic roles & 50–950 ramp

primary

#81BE37

secondary

#A587CA

accent

#49DE8D

background

#FAFCF7

surface

#F4F9ED

border

#CED2C8

text

#101409

muted

#7F827B

Preview Lab

Preview with #81BE37

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

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