#81BB55#81BB55

#81BB55 is a light, vivid yellow-green. Relative luminance 0.409; OKLCH L 73.0% C 0.147 H 133.5°. Best body text is #000000 at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#81BB55
RGB	rgb(129, 187, 85)
HSL	hsl(94, 43%, 53%)
HSV	hsv(94, 55%, 73%)
CMYK	cmyk(31%, 0%, 54.5%, 26.7%)
CIE-LAB	lab(70.08, -36.52, 45.16)
CIE-LCH	lch(70.08, 58.08, 128.96°)
OKLab	oklab(72.96% -0.1013 0.1069)
OKLCH	oklch(72.96% 0.147 133.5)
XYZ	xyz(28.4628, 40.8626, 14.9802)
Luminance	0.4086 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BB55 #8F55BB

analogous

#B4BB55 #81BB55 #55BB5C

triadic

#81BB55 #5581BB #BB5581

tetradic

#81BB55 #55B4BB #8F55BB #BB5C55

square

#81BB55 #55B4BB #8F55BB #BB5C55

split-complementary

#81BB55 #5C55BB #BB55B4

monochromatic

#466B2B #63973C #81BB55 #A1CC81 #C2DEAC

Accessibility & contrast

On white

2.29

#81BB55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.17

#81BB55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BB55

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BB55	#FFFFFF	#000000	##000000
##81BB55	1.00	2.29	9.17	9.17
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.17	21.00	1.00	1.00
##000000	9.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AE4B

Deuteranopia (green-blind)

#B9AA5C

Tritanopia (blue-blind)

#81B4A4

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #81bb55;
/* rgb */ color: rgb(129, 187, 85);
/* oklch */ color: oklch(73.0% 0.147 133.5);

Tailwind

colors: {
  custom: {
    50: '#a8d088',
    500: '#81bb55',
    950: '#000000',
  },
}

SCSS

$custom: #81bb55;
$custom-light: #a8d088;
$custom-dark: #000000;

JSON

{
  "hex": "#81bb55",
  "rgb": {
    "r": 129,
    "g": 187,
    "b": 85
  },
  "hsl": {
    "h": 94.118,
    "s": 42.857,
    "l": 53.333
  },
  "oklch": {
    "l": 0.72957,
    "c": 0.14729,
    "h": 133.5
  },
  "luminance": 0.40864
}

Semantic roles & 50–950 ramp

primary

#81BB55

secondary

#B9A0CC

accent

#55D39D

background

#FAFCF8

surface

#F4F9F0

border

#CED2CB

text

#10140B

muted

#7F827C

Preview Lab

Preview with #81BB55

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

Preview Lab → · Contrast checker → · Palette generator →