#81BC23#81BC23

#81BC23 is a light, vivid yellow-green. Relative luminance 0.408; OKLCH L 72.8% C 0.183 H 129.5°. Best body text is #000000 at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#81BC23
RGB	rgb(129, 188, 35)
HSL	hsl(83, 69%, 44%)
HSV	hsv(83, 81%, 74%)
CMYK	cmyk(31.4%, 0%, 81.4%, 26.3%)
CIE-LAB	lab(70.00, -40.65, 64.46)
CIE-LCH	lch(70.00, 76.21, 122.23°)
OKLab	oklab(72.77% -0.1164 0.1412)
OKLCH	oklch(72.77% 0.183 129.5)
XYZ	xyz(27.3398, 40.7541, 8.0156)
Luminance	0.4076 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BC23 #5E23BC

analogous

#BCAA23 #81BC23 #34BC23

triadic

#81BC23 #2381BC #BC2381

tetradic

#81BC23 #23BCAA #5E23BC #BC2334

square

#81BC23 #23BCAA #5E23BC #BC2334

split-complementary

#81BC23 #2334BC #AA23BC

monochromatic

#3A5510 #5E8819 #81BC23 #A0DC41 #BAE574

Accessibility & contrast

On white

2.29

#81BC23 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.15

#81BC23 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BC23

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BC23	#FFFFFF	#000000	##000000
##81BC23	1.00	2.29	9.15	9.15
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.15	21.00	1.00	1.00
##000000	9.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AE00

Deuteranopia (green-blind)

#BDAA35

Tritanopia (blue-blind)

#85B3A0

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #81bc23;
/* rgb */ color: rgb(129, 188, 35);
/* oklch */ color: oklch(72.8% 0.183 129.5);

Tailwind

colors: {
  custom: {
    50: '#abd06d',
    500: '#81bc23',
    950: '#000000',
  },
}

SCSS

$custom: #81bc23;
$custom-light: #abd06d;
$custom-dark: #000000;

JSON

{
  "hex": "#81bc23",
  "rgb": {
    "r": 129,
    "g": 188,
    "b": 35
  },
  "hsl": {
    "h": 83.137,
    "s": 68.61,
    "l": 43.725
  },
  "oklch": {
    "l": 0.72774,
    "c": 0.18303,
    "h": 129.5
  },
  "luminance": 0.40755
}

Semantic roles & 50–950 ramp

primary

#81BC23

secondary

#936FCC

accent

#3CEB80

background

#FAFCF6

surface

#F5F9EC

border

#CFD2C7

text

#111408

muted

#80827A

Preview Lab

Preview with #81BC23

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

Preview Lab → · Contrast checker → · Palette generator →