#81BB52#81BB52

#81BB52 is a light, vivid yellow-green. Relative luminance 0.408; OKLCH L 72.9% C 0.150 H 133.0°. Best body text is #000000 at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#81BB52
RGB	rgb(129, 187, 82)
HSL	hsl(93, 44%, 53%)
HSV	hsv(93, 56%, 73%)
CMYK	cmyk(31%, 0%, 56.1%, 26.7%)
CIE-LAB	lab(70.05, -36.83, 46.54)
CIE-LCH	lch(70.05, 59.35, 128.36°)
OKLab	oklab(72.92% -0.1024 0.1096)
OKLCH	oklch(72.92% 0.15 133)
XYZ	xyz(28.3461, 40.8160, 14.3658)
Luminance	0.4082 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BB52 #8C52BB

analogous

#B5BB52 #81BB52 #52BB58

triadic

#81BB52 #5281BB #BB5281

tetradic

#81BB52 #52B5BB #8C52BB #BB5852

square

#81BB52 #52B5BB #8C52BB #BB5852

split-complementary

#81BB52 #5852BB #BB52B5

monochromatic

#466929 #63953B #81BB52 #A1CC7E #C1DEAA

Accessibility & contrast

On white

2.29

#81BB52 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.16

#81BB52 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BB52

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BB52	#FFFFFF	#000000	##000000
##81BB52	1.00	2.29	9.16	9.16
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.16	21.00	1.00	1.00
##000000	9.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AE48

Deuteranopia (green-blind)

#BAAA59

Tritanopia (blue-blind)

#82B4A4

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #81bb52;
/* rgb */ color: rgb(129, 187, 82);
/* oklch */ color: oklch(72.9% 0.150 133.0);

Tailwind

colors: {
  custom: {
    50: '#a9d086',
    500: '#81bb52',
    950: '#000000',
  },
}

SCSS

$custom: #81bb52;
$custom-light: #a9d086;
$custom-dark: #000000;

JSON

{
  "hex": "#81bb52",
  "rgb": {
    "r": 129,
    "g": 187,
    "b": 82
  },
  "hsl": {
    "h": 93.143,
    "s": 43.568,
    "l": 52.745
  },
  "oklch": {
    "l": 0.7292,
    "c": 0.15001,
    "h": 133
  },
  "luminance": 0.40817
}

Semantic roles & 50–950 ramp

primary

#81BB52

secondary

#B79ECB

accent

#54D39B

background

#FAFCF8

surface

#F4F9EF

border

#CED2CA

text

#10140B

muted

#7F827C

Preview Lab

Preview with #81BB52

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

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