#81A11B#81A11B

#81A11B is a light, vivid yellow-green. Relative luminance 0.302; OKLCH L 66.1% C 0.154 H 123.1°. Best body text is #000000 at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#81A11B
RGB	rgb(129, 161, 27)
HSL	hsl(74, 71%, 37%)
HSV	hsv(74, 83%, 63%)
CMYK	cmyk(19.9%, 0%, 83.2%, 36.9%)
CIE-LAB	lab(61.86, -28.61, 59.36)
CIE-LCH	lch(61.86, 65.89, 115.74°)
OKLab	oklab(66.15% -0.0843 0.1291)
OKLCH	oklch(66.15% 0.154 123.1)
XYZ	xyz(21.9963, 30.2359, 5.7140)
Luminance	0.3024 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81A11B #3B1BA1

analogous

#A17E1B #81A11B #3EA11B

triadic

#81A11B #1B81A1 #A11B81

tetradic

#81A11B #1BA17E #3B1BA1 #A11B3E

square

#81A11B #1BA17E #3B1BA1 #A11B3E

split-complementary

#81A11B #1B3EA1 #7E1BA1

monochromatic

#2D3809 #576D12 #81A11B #ABD524 #C0E254

Accessibility & contrast

On white

2.98

#81A11B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.05

#81A11B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81A11B

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81A11B	#FFFFFF	#000000	##000000
##81A11B	1.00	2.98	7.05	7.05
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.05	21.00	1.00	1.00
##000000	7.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AB9600

Deuteranopia (green-blind)

#A7952A

Tritanopia (blue-blind)

#889889

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #81a11b;
/* rgb */ color: rgb(129, 161, 27);
/* oklch */ color: oklch(66.1% 0.154 123.1);

Tailwind

colors: {
  custom: {
    50: '#a9bc66',
    500: '#81a11b',
    950: '#000000',
  },
}

SCSS

$custom: #81a11b;
$custom-light: #a9bc66;
$custom-dark: #000000;

JSON

{
  "hex": "#81a11b",
  "rgb": {
    "r": 129,
    "g": 161,
    "b": 27
  },
  "hsl": {
    "h": 74.328,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.66148,
    "c": 0.15424,
    "h": 123.1
  },
  "luminance": 0.30236
}

Semantic roles & 50–950 ramp

primary

#81A11B

secondary

#6E52C5

accent

#3AEE65

background

#FAFBF6

surface

#F4F6EB

border

#CED0C6

text

#101206

muted

#7F817A

Preview Lab

Preview with #81A11B

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

Preview Lab → · Contrast checker → · Palette generator →