#81AE51#81AE51

#81AE51 is a light, vivid yellow-green. Relative luminance 0.355; OKLCH L 69.8% C 0.133 H 130.6°. Best body text is #000000 at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#81AE51
RGB	rgb(129, 174, 81)
HSL	hsl(89, 36%, 50%)
HSV	hsv(89, 53%, 68%)
CMYK	cmyk(25.9%, 0%, 53.4%, 31.8%)
CIE-LAB	lab(66.16, -30.93, 42.45)
CIE-LCH	lch(66.16, 52.52, 126.08°)
OKLab	oklab(69.77% -0.0862 0.1007)
OKLCH	oklch(69.77% 0.133 130.6)
XYZ	xyz(25.6742, 35.5327, 13.2888)
Luminance	0.3553 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81AE51 #7E51AE

analogous

#AEAD51 #81AE51 #52AE51

triadic

#81AE51 #5181AE #AE5181

tetradic

#81AE51 #51AEAD #7E51AE #AE5152

square

#81AE51 #51AEAD #7E51AE #AE5152

split-complementary

#81AE51 #5152AE #AD51AE

monochromatic

#435A2A #62843E #81AE51 #9FC17B #BDD5A5

Accessibility & contrast

On white

2.59

#81AE51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.11

#81AE51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81AE51

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81AE51	#FFFFFF	#000000	##000000
##81AE51	1.00	2.59	8.11	8.11
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.11	21.00	1.00	1.00
##000000	8.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A348

Deuteranopia (green-blind)

#AFA057

Tritanopia (blue-blind)

#83A799

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #81ae51;
/* rgb */ color: rgb(129, 174, 81);
/* oklch */ color: oklch(69.8% 0.133 130.6);

Tailwind

colors: {
  custom: {
    50: '#a8c684',
    500: '#81ae51',
    950: '#000000',
  },
}

SCSS

$custom: #81ae51;
$custom-light: #a8c684;
$custom-dark: #000000;

JSON

{
  "hex": "#81ae51",
  "rgb": {
    "r": 129,
    "g": 174,
    "b": 81
  },
  "hsl": {
    "h": 89.032,
    "s": 36.471,
    "l": 50
  },
  "oklch": {
    "l": 0.69765,
    "c": 0.13251,
    "h": 130.6
  },
  "luminance": 0.35533
}

Semantic roles & 50–950 ramp

primary

#81AE51

secondary

#AD99C2

accent

#5BCC92

background

#FAFCF8

surface

#F4F8EF

border

#CED1CA

text

#10130B

muted

#7F827C

Preview Lab

Preview with #81AE51

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

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