#81BB45#81BB45

#81BB45 is a light, vivid yellow-green. Relative luminance 0.406; OKLCH L 72.8% C 0.161 H 131.6°. Best body text is #000000 at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#81BB45
RGB	rgb(129, 187, 69)
HSL	hsl(89, 46%, 50%)
HSV	hsv(89, 63%, 73%)
CMYK	cmyk(31%, 0%, 63.1%, 26.7%)
CIE-LAB	lab(69.92, -38.06, 52.24)
CIE-LCH	lch(69.92, 64.64, 126.08°)
OKLab	oklab(72.78% -0.1068 0.1205)
OKLCH	oklch(72.78% 0.161 131.6)
XYZ	xyz(27.8974, 40.6365, 12.0029)
Luminance	0.4064 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BB45 #7F45BB

analogous

#BBBA45 #81BB45 #46BB45

triadic

#81BB45 #4581BB #BB4581

tetradic

#81BB45 #45BBBA #7F45BB #BB4546

square

#81BB45 #45BBBA #7F45BB #BB4546

split-complementary

#81BB45 #4546BB #BA45BB

monochromatic

#436224 #628F34 #81BB45 #9FCB72 #BEDC9F

Accessibility & contrast

On white

2.30

#81BB45 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.13

#81BB45 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BB45

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BB45	#FFFFFF	#000000	##000000
##81BB45	1.00	2.30	9.13	9.13
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.13	21.00	1.00	1.00
##000000	9.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AE37

Deuteranopia (green-blind)

#BBA94E

Tritanopia (blue-blind)

#83B4A2

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #81bb45;
/* rgb */ color: rgb(129, 187, 69);
/* oklch */ color: oklch(72.8% 0.161 131.6);

Tailwind

colors: {
  custom: {
    50: '#a9d07e',
    500: '#81bb45',
    950: '#000000',
  },
}

SCSS

$custom: #81bb45;
$custom-light: #a9d07e;
$custom-dark: #000000;

JSON

{
  "hex": "#81bb45",
  "rgb": {
    "r": 129,
    "g": 187,
    "b": 69
  },
  "hsl": {
    "h": 89.492,
    "s": 46.457,
    "l": 50.196
  },
  "oklch": {
    "l": 0.72776,
    "c": 0.161,
    "h": 131.6
  },
  "luminance": 0.40637
}

Semantic roles & 50–950 ramp

primary

#81BB45

secondary

#AD94C8

accent

#52D693

background

#FAFCF7

surface

#F4F9EE

border

#CED2C9

text

#10140A

muted

#7F827C

Preview Lab

Preview with #81BB45

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

Preview Lab → · Contrast checker → · Palette generator →