#81AC2B#81AC2B

#81AC2B is a light, vivid yellow-green. Relative luminance 0.343; OKLCH L 68.9% C 0.160 H 126.7°. Best body text is #000000 at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#81AC2B
RGB	rgb(129, 172, 43)
HSL	hsl(80, 60%, 42%)
HSV	hsv(80, 75%, 67%)
CMYK	cmyk(25%, 0%, 75%, 32.5%)
CIE-LAB	lab(65.24, -33.07, 57.58)
CIE-LCH	lch(65.24, 66.40, 119.87°)
OKLab	oklab(68.91% -0.0953 0.128)
OKLCH	oklch(68.91% 0.16 126.7)
XYZ	xyz(24.2419, 34.3462, 7.6373)
Luminance	0.3435 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81AC2B #562BAC

analogous

#AC972B #81AC2B #41AC2B

triadic

#81AC2B #2B81AC #AC2B81

tetradic

#81AC2B #2BAC97 #562BAC #AC2B41

square

#81AC2B #2BAC97 #562BAC #AC2B41

split-complementary

#81AC2B #2B41AC #972BAC

monochromatic

#384A13 #5C7B1F #81AC2B #A1D044 #BADC75

Accessibility & contrast

On white

2.67

#81AC2B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.87

#81AC2B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81AC2B

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81AC2B	#FFFFFF	#000000	##000000
##81AC2B	1.00	2.67	7.87	7.87
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.87	21.00	1.00	1.00
##000000	7.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A00F

Deuteranopia (green-blind)

#AF9E37

Tritanopia (blue-blind)

#86A493

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #81ac2b;
/* rgb */ color: rgb(129, 172, 43);
/* oklch */ color: oklch(68.9% 0.160 126.7);

Tailwind

colors: {
  custom: {
    50: '#a9c56e',
    500: '#81ac2b',
    950: '#000000',
  },
}

SCSS

$custom: #81ac2b;
$custom-light: #a9c56e;
$custom-dark: #000000;

JSON

{
  "hex": "#81ac2b",
  "rgb": {
    "r": 129,
    "g": 172,
    "b": 43
  },
  "hsl": {
    "h": 80,
    "s": 60,
    "l": 42.157
  },
  "oklch": {
    "l": 0.68911,
    "c": 0.1596,
    "h": 126.7
  },
  "luminance": 0.34347
}

Semantic roles & 50–950 ramp

primary

#81AC2B

secondary

#8B6FC4

accent

#45E379

background

#FAFCF6

surface

#F4F8EC

border

#CED1C7

text

#101208

muted

#7F817B

Preview Lab

Preview with #81AC2B

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

Preview Lab → · Contrast checker → · Palette generator →