#81BB2D#81BB2D

#81BB2D is a light, vivid yellow-green. Relative luminance 0.404; OKLCH L 72.6% C 0.177 H 129.8°. Best body text is #000000 at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#81BB2D
RGB	rgb(129, 187, 45)
HSL	hsl(85, 61%, 45%)
HSV	hsv(85, 76%, 73%)
CMYK	cmyk(31%, 0%, 75.9%, 26.7%)
CIE-LAB	lab(69.75, -39.73, 61.24)
CIE-LCH	lch(69.75, 73.00, 122.97°)
OKLab	oklab(72.58% -0.1133 0.136)
OKLCH	oklch(72.58% 0.177 129.8)
XYZ	xyz(27.2971, 40.3964, 8.8412)
Luminance	0.4040 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BB2D #672DBB

analogous

#BBAE2D #81BB2D #3ABB2D

triadic

#81BB2D #2D81BB #BB2D81

tetradic

#81BB2D #2DBBAE #672DBB #BB2D3A

square

#81BB2D #2DBBAE #672DBB #BB2D3A

split-complementary

#81BB2D #2D3ABB #AE2DBB

monochromatic

#3D5815 #5F8A21 #81BB2D #9FD550 #BAE182

Accessibility & contrast

On white

2.31

#81BB2D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.08

#81BB2D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BB2D

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BB2D	#FFFFFF	#000000	##000000
##81BB2D	1.00	2.31	9.08	9.08
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.08	21.00	1.00	1.00
##000000	9.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4AD09

Deuteranopia (green-blind)

#BCA93B

Tritanopia (blue-blind)

#85B3A0

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #81bb2d;
/* rgb */ color: rgb(129, 187, 45);
/* oklch */ color: oklch(72.6% 0.177 129.8);

Tailwind

colors: {
  custom: {
    50: '#aad071',
    500: '#81bb2d',
    950: '#000000',
  },
}

SCSS

$custom: #81bb2d;
$custom-light: #aad071;
$custom-dark: #000000;

JSON

{
  "hex": "#81bb2d",
  "rgb": {
    "r": 129,
    "g": 187,
    "b": 45
  },
  "hsl": {
    "h": 84.507,
    "s": 61.207,
    "l": 45.49
  },
  "oklch": {
    "l": 0.72584,
    "c": 0.17701,
    "h": 129.8
  },
  "luminance": 0.40397
}

Semantic roles & 50–950 ramp

primary

#81BB2D

secondary

#9B7ACA

accent

#43E485

background

#FAFCF7

surface

#F5F9ED

border

#CFD2C8

text

#101408

muted

#7F827B

Preview Lab

Preview with #81BB2D

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

Preview Lab → · Contrast checker → · Palette generator →