#81B023#81B023

#81B023 is a light, vivid yellow-green. Relative luminance 0.358; OKLCH L 69.8% C 0.169 H 127.2°. Best body text is #000000 at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#81B023
RGB	rgb(129, 176, 35)
HSL	hsl(80, 67%, 41%)
HSV	hsv(80, 80%, 69%)
CMYK	cmyk(26.7%, 0%, 80.1%, 31%)
CIE-LAB	lab(66.40, -35.30, 61.20)
CIE-LCH	lch(66.40, 70.65, 119.98°)
OKLab	oklab(69.84% -0.102 0.1344)
OKLCH	oklch(69.84% 0.169 127.2)
XYZ	xyz(24.8821, 35.8386, 7.1964)
Luminance	0.3584 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81B023 #5223B0

analogous

#B09923 #81B023 #3BB023

triadic

#81B023 #2381B0 #B02381

tetradic

#81B023 #23B099 #5223B0 #B0233B

square

#81B023 #23B099 #5223B0 #B0233B

split-complementary

#81B023 #233BB0 #9923B0

monochromatic

#364A0F #5C7D19 #81B023 #A3D839 #BAE26C

Accessibility & contrast

On white

2.57

#81B023 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.17

#81B023 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B023

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81B023	#FFFFFF	#000000	##000000
##81B023	1.00	2.57	8.17	8.17
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.17	21.00	1.00	1.00
##000000	8.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A300

Deuteranopia (green-blind)

#B3A132

Tritanopia (blue-blind)

#86A896

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #81b023;
/* rgb */ color: rgb(129, 176, 35);
/* oklch */ color: oklch(69.8% 0.169 127.2);

Tailwind

colors: {
  custom: {
    50: '#aac76b',
    500: '#81b023',
    950: '#000000',
  },
}

SCSS

$custom: #81b023;
$custom-light: #aac76b;
$custom-dark: #000000;

JSON

{
  "hex": "#81b023",
  "rgb": {
    "r": 129,
    "g": 176,
    "b": 35
  },
  "hsl": {
    "h": 80,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.69839,
    "c": 0.16866,
    "h": 127.2
  },
  "luminance": 0.35839
}

Semantic roles & 50–950 ramp

primary

#81B023

secondary

#8767C8

accent

#3EEA77

background

#FAFCF6

surface

#F4F8EC

border

#CED1C7

text

#101307

muted

#7F827A

Preview Lab

Preview with #81B023

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

Preview Lab → · Contrast checker → · Palette generator →