#81A536#81A536

#81A536 is a light, vivid yellow-green. Relative luminance 0.318; OKLCH L 67.3% C 0.143 H 125.6°. Best body text is #000000 at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#81A536
RGB	rgb(129, 165, 54)
HSL	hsl(79, 51%, 43%)
HSV	hsv(79, 67%, 65%)
CMYK	cmyk(21.8%, 0%, 67.3%, 35.3%)
CIE-LAB	lab(63.21, -29.07, 51.38)
CIE-LCH	lch(63.21, 59.04, 119.50°)
OKLab	oklab(67.3% -0.0834 0.1167)
OKLCH	oklch(67.3% 0.143 125.6)
XYZ	xyz(23.1744, 31.8434, 8.4148)
Luminance	0.3184 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81A536 #5A36A5

analogous

#A59136 #81A536 #4AA536

triadic

#81A536 #3681A5 #A53681

tetradic

#81A536 #36A591 #5A36A5 #A5364A

square

#81A536 #36A591 #5A36A5 #A5364A

split-complementary

#81A536 #364AA5 #9136A5

monochromatic

#394918 #5D7727 #81A536 #A1C652 #BAD580

Accessibility & contrast

On white

2.85

#81A536 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.37

#81A536 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81A536

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81A536	#FFFFFF	#000000	##000000
##81A536	1.00	2.85	7.37	7.37
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.37	21.00	1.00	1.00
##000000	7.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AE9A27

Deuteranopia (green-blind)

#A9993F

Tritanopia (blue-blind)

#869D8E

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #81a536;
/* rgb */ color: rgb(129, 165, 54);
/* oklch */ color: oklch(67.3% 0.143 125.6);

Tailwind

colors: {
  custom: {
    50: '#a9bf73',
    500: '#81a536',
    950: '#000000',
  },
}

SCSS

$custom: #81a536;
$custom-light: #a9bf73;
$custom-dark: #000000;

JSON

{
  "hex": "#81a536",
  "rgb": {
    "r": 129,
    "g": 165,
    "b": 54
  },
  "hsl": {
    "h": 79.459,
    "s": 50.685,
    "l": 42.941
  },
  "oklch": {
    "l": 0.67296,
    "c": 0.14344,
    "h": 125.6
  },
  "luminance": 0.31844
}

Semantic roles & 50–950 ramp

primary

#81A536

secondary

#8F78BF

accent

#4EDA7B

background

#FAFBF7

surface

#F4F7ED

border

#CED0C8

text

#101208

muted

#7F817B

Preview Lab

Preview with #81A536

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

Preview Lab → · Contrast checker → · Palette generator →