#81B230#81B230

#81B230 is a light, vivid yellow-green. Relative luminance 0.367; OKLCH L 70.4% C 0.164 H 128.3°. Best body text is #000000 at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#81B230
RGB	rgb(129, 178, 48)
HSL	hsl(83, 58%, 44%)
HSV	hsv(83, 73%, 70%)
CMYK	cmyk(27.5%, 0%, 73%, 30.2%)
CIE-LAB	lab(67.07, -35.54, 57.61)
CIE-LCH	lch(67.07, 67.69, 121.67°)
OKLab	oklab(70.41% -0.1016 0.1289)
OKLCH	oklch(70.41% 0.164 128.3)
XYZ	xyz(25.5071, 36.7207, 8.5397)
Luminance	0.3672 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81B230 #6130B2

analogous

#B2A230 #81B230 #40B230

triadic

#81B230 #3081B2 #B23081

tetradic

#81B230 #30B2A2 #6130B2 #B23040

square

#81B230 #30B2A2 #6130B2 #B23040

split-complementary

#81B230 #3040B2 #A230B2

monochromatic

#3B5216 #5E8223 #81B230 #9FD050 #BADD80

Accessibility & contrast

On white

2.52

#81B230 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.34

#81B230 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B230

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81B230	#FFFFFF	#000000	##000000
##81B230	1.00	2.52	8.34	8.34
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.34	21.00	1.00	1.00
##000000	8.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBA517

Deuteranopia (green-blind)

#B4A23C

Tritanopia (blue-blind)

#85AA99

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #81b230;
/* rgb */ color: rgb(129, 178, 48);
/* oklch */ color: oklch(70.4% 0.164 128.3);

Tailwind

colors: {
  custom: {
    50: '#aac971',
    500: '#81b230',
    950: '#000000',
  },
}

SCSS

$custom: #81b230;
$custom-light: #aac971;
$custom-dark: #000000;

JSON

{
  "hex": "#81b230",
  "rgb": {
    "r": 129,
    "g": 178,
    "b": 48
  },
  "hsl": {
    "h": 82.615,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.70406,
    "c": 0.16412,
    "h": 128.3
  },
  "luminance": 0.36721
}

Semantic roles & 50–950 ramp

primary

#81B230

secondary

#9578C6

accent

#47E181

background

#FAFCF7

surface

#F4F8ED

border

#CED1C8

text

#101308

muted

#7F827B

Preview Lab

Preview with #81B230

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

Preview Lab → · Contrast checker → · Palette generator →