#81BF55#81BF55

#81BF55 is a light, vivid yellow-green. Relative luminance 0.426; OKLCH L 73.9% C 0.153 H 134.0°. Best body text is #000000 at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#81BF55
RGB	rgb(129, 191, 85)
HSL	hsl(95, 45%, 54%)
HSV	hsv(95, 55%, 75%)
CMYK	cmyk(32.5%, 0%, 55.5%, 25.1%)
CIE-LAB	lab(71.27, -38.32, 46.56)
CIE-LCH	lch(71.27, 60.30, 129.45°)
OKLab	oklab(73.93% -0.1063 0.11)
OKLCH	oklch(73.93% 0.153 134)
XYZ	xyz(29.3232, 42.5835, 15.2670)
Luminance	0.4259 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BF55 #9355BF

analogous

#B6BF55 #81BF55 #55BF5E

triadic

#81BF55 #5581BF #BF5581

tetradic

#81BF55 #55B6BF #9355BF #BF5E55

square

#81BF55 #55B6BF #9355BF #BF5E55

split-complementary

#81BF55 #5E55BF #BF55B6

monochromatic

#47702A #639C3B #81BF55 #A2D081 #C3E0AE

Accessibility & contrast

On white

2.21

#81BF55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.52

#81BF55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BF55

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BF55	#FFFFFF	#000000	##000000
##81BF55	1.00	2.21	9.52	9.52
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.52	21.00	1.00	1.00
##000000	9.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6B24B

Deuteranopia (green-blind)

#BDAD5C

Tritanopia (blue-blind)

#81B8A7

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #81bf55;
/* rgb */ color: rgb(129, 191, 85);
/* oklch */ color: oklch(73.9% 0.153 134.0);

Tailwind

colors: {
  custom: {
    50: '#a9d288',
    500: '#81bf55',
    950: '#000000',
  },
}

SCSS

$custom: #81bf55;
$custom-light: #a9d288;
$custom-dark: #000000;

JSON

{
  "hex": "#81bf55",
  "rgb": {
    "r": 129,
    "g": 191,
    "b": 85
  },
  "hsl": {
    "h": 95.094,
    "s": 45.299,
    "l": 54.118
  },
  "oklch": {
    "l": 0.73925,
    "c": 0.15291,
    "h": 134
  },
  "luminance": 0.42585
}

Semantic roles & 50–950 ramp

primary

#81BF55

secondary

#BCA1CE

accent

#53D59F

background

#FAFCF8

surface

#F4F9F0

border

#CED2CB

text

#10140C

muted

#7F827D

Preview Lab

Preview with #81BF55

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

Preview Lab → · Contrast checker → · Palette generator →