#81BB59#81BB59

#81BB59 is a light, vivid yellow-green. Relative luminance 0.409; OKLCH L 73.0% C 0.144 H 134.1°. Best body text is #000000 at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#81BB59
RGB	rgb(129, 187, 89)
HSL	hsl(96, 42%, 54%)
HSV	hsv(96, 52%, 73%)
CMYK	cmyk(31%, 0%, 52.4%, 26.7%)
CIE-LAB	lab(70.13, -36.08, 43.30)
CIE-LCH	lch(70.13, 56.36, 129.80°)
OKLab	oklab(73.01% -0.0998 0.1032)
OKLCH	oklch(73.01% 0.144 134.1)
XYZ	xyz(28.6262, 40.9280, 15.8409)
Luminance	0.4093 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BB59 #9359BB

analogous

#B2BB59 #81BB59 #59BB62

triadic

#81BB59 #5981BB #BB5981

tetradic

#81BB59 #59B2BB #9359BB #BB6259

square

#81BB59 #59B2BB #9359BB #BB6259

split-complementary

#81BB59 #6259BB #BB59B2

monochromatic

#476D2D #63983E #81BB59 #A2CD84 #C3DFB0

Accessibility & contrast

On white

2.29

#81BB59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.19

#81BB59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BB59

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BB59	#FFFFFF	#000000	##000000
##81BB59	1.00	2.29	9.19	9.19
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.19	21.00	1.00	1.00
##000000	9.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1AE50

Deuteranopia (green-blind)

#B9AA5F

Tritanopia (blue-blind)

#81B5A5

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #81bb59;
/* rgb */ color: rgb(129, 187, 89);
/* oklch */ color: oklch(73.0% 0.144 134.1);

Tailwind

colors: {
  custom: {
    50: '#a8d08a',
    500: '#81bb59',
    950: '#000000',
  },
}

SCSS

$custom: #81bb59;
$custom-light: #a8d08a;
$custom-dark: #000000;

JSON

{
  "hex": "#81bb59",
  "rgb": {
    "r": 129,
    "g": 187,
    "b": 89
  },
  "hsl": {
    "h": 95.51,
    "s": 41.88,
    "l": 54.118
  },
  "oklch": {
    "l": 0.73009,
    "c": 0.14354,
    "h": 134.1
  },
  "luminance": 0.40929
}

Semantic roles & 50–950 ramp

primary

#81BB59

secondary

#BCA3CD

accent

#56D29F

background

#FAFCF8

surface

#F4F9F0

border

#CED2CB

text

#10140C

muted

#7F827D

Preview Lab

Preview with #81BB59

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

Preview Lab → · Contrast checker → · Palette generator →