#81B135#81B135

#81B135 is a light, vivid yellow-green. Relative luminance 0.364; OKLCH L 70.2% C 0.160 H 128.4°. Best body text is #000000 at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#81B135
RGB	rgb(129, 177, 53)
HSL	hsl(83, 54%, 45%)
HSV	hsv(83, 70%, 69%)
CMYK	cmyk(27.1%, 0%, 70.1%, 30.6%)
CIE-LAB	lab(66.80, -34.76, 55.48)
CIE-LCH	lch(66.80, 65.47, 122.07°)
OKLab	oklab(70.2% -0.0991 0.1252)
OKLCH	oklch(70.2% 0.16 128.4)
XYZ	xyz(25.4180, 36.3679, 9.0480)
Luminance	0.3637 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81B135 #6535B1

analogous

#B1A335 #81B135 #43B135

triadic

#81B135 #3581B1 #B13581

tetradic

#81B135 #35B1A3 #6535B1 #B13543

square

#81B135 #35B1A3 #6535B1 #B13543

split-complementary

#81B135 #3543B1 #A335B1

monochromatic

#3C5319 #5F8227 #81B135 #9FCD57 #BADB86

Accessibility & contrast

On white

2.54

#81B135 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.27

#81B135 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B135

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81B135	#FFFFFF	#000000	##000000
##81B135	1.00	2.54	8.27	8.27
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.27	21.00	1.00	1.00
##000000	8.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA521

Deuteranopia (green-blind)

#B3A140

Tritanopia (blue-blind)

#85A998

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #81b135;
/* rgb */ color: rgb(129, 177, 53);
/* oklch */ color: oklch(70.2% 0.160 128.4);

Tailwind

colors: {
  custom: {
    50: '#a9c874',
    500: '#81b135',
    950: '#000000',
  },
}

SCSS

$custom: #81b135;
$custom-light: #a9c874;
$custom-dark: #000000;

JSON

{
  "hex": "#81b135",
  "rgb": {
    "r": 129,
    "g": 177,
    "b": 53
  },
  "hsl": {
    "h": 83.226,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.702,
    "c": 0.15965,
    "h": 128.4
  },
  "luminance": 0.36368
}

Semantic roles & 50–950 ramp

primary

#81B135

secondary

#997DC4

accent

#4BDD83

background

#FAFCF7

surface

#F4F8ED

border

#CED1C8

text

#101309

muted

#7F827B

Preview Lab

Preview with #81B135

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

Preview Lab → · Contrast checker → · Palette generator →