#81A01B#81A01B

#81A01B is a light, vivid yellow-green. Relative luminance 0.299; OKLCH L 65.9% C 0.153 H 122.8°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#81A01B
RGB	rgb(129, 160, 27)
HSL	hsl(74, 71%, 37%)
HSV	hsv(74, 83%, 63%)
CMYK	cmyk(19.4%, 0%, 83.1%, 37.3%)
CIE-LAB	lab(61.56, -28.13, 59.10)
CIE-LCH	lch(61.56, 65.45, 115.46°)
OKLab	oklab(65.91% -0.083 0.1286)
OKLCH	oklch(65.91% 0.153 122.8)
XYZ	xyz(21.8222, 29.8878, 5.6560)
Luminance	0.2989 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81A01B #3A1BA0

analogous

#A07D1B #81A01B #3FA01B

triadic

#81A01B #1B81A0 #A01B81

tetradic

#81A01B #1BA07D #3A1BA0 #A01B3F

square

#81A01B #1BA07D #3A1BA0 #A01B3F

split-complementary

#81A01B #1B3FA0 #7D1BA0

monochromatic

#2D3709 #576C12 #81A01B #ABD424 #C1E253

Accessibility & contrast

On white

3.01

#81A01B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.98

#81A01B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #81A01B

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81A01B	#FFFFFF	#000000	##000000
##81A01B	1.00	3.01	6.98	6.98
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.98	21.00	1.00	1.00
##000000	6.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AA9500

Deuteranopia (green-blind)

#A6952A

Tritanopia (blue-blind)

#889788

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #81a01b;
/* rgb */ color: rgb(129, 160, 27);
/* oklch */ color: oklch(65.9% 0.153 122.8);

Tailwind

colors: {
  custom: {
    50: '#a9bc65',
    500: '#81a01b',
    950: '#000000',
  },
}

SCSS

$custom: #81a01b;
$custom-light: #a9bc65;
$custom-dark: #000000;

JSON

{
  "hex": "#81a01b",
  "rgb": {
    "r": 129,
    "g": 160,
    "b": 27
  },
  "hsl": {
    "h": 73.985,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.65905,
    "c": 0.15305,
    "h": 122.8
  },
  "luminance": 0.29888
}

Semantic roles & 50–950 ramp

primary

#81A01B

secondary

#6D52C5

accent

#3AEE64

background

#FAFBF6

surface

#F4F6EB

border

#CED0C6

text

#101206

muted

#7F817A

Preview Lab

Preview with #81A01B

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

Preview Lab → · Contrast checker → · Palette generator →