#81BB3B#81BB3B

#81BB3B is a light, vivid yellow-green. Relative luminance 0.405; OKLCH L 72.7% C 0.168 H 130.7°. Best body text is #000000 at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#81BB3B
RGB	rgb(129, 187, 59)
HSL	hsl(87, 52%, 48%)
HSV	hsv(87, 68%, 73%)
CMYK	cmyk(31%, 0%, 68.4%, 26.7%)
CIE-LAB	lab(69.84, -38.85, 56.27)
CIE-LCH	lch(69.84, 68.38, 124.62°)
OKLab	oklab(72.69% -0.1098 0.1277)
OKLCH	oklch(72.69% 0.168 130.7)
XYZ	xyz(27.6128, 40.5227, 10.5036)
Luminance	0.4052 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BB3B #753BBB

analogous

#BBB53B #81BB3B #41BB3B

triadic

#81BB3B #3B81BB #BB3B81

tetradic

#81BB3B #3BBBB5 #753BBB #BB3B41

square

#81BB3B #3BBBB5 #753BBB #BB3B41

split-complementary

#81BB3B #3B41BB #B53BBB

monochromatic

#415E1E #618C2C #81BB3B #9FCE65 #BCDD93

Accessibility & contrast

On white

2.31

#81BB3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.10

#81BB3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BB3B

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BB3B	#FFFFFF	#000000	##000000
##81BB3B	1.00	2.31	9.10	9.10
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.10	21.00	1.00	1.00
##000000	9.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AD28

Deuteranopia (green-blind)

#BBA946

Tritanopia (blue-blind)

#84B3A1

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #81bb3b;
/* rgb */ color: rgb(129, 187, 59);
/* oklch */ color: oklch(72.7% 0.168 130.7);

Tailwind

colors: {
  custom: {
    50: '#aad078',
    500: '#81bb3b',
    950: '#000000',
  },
}

SCSS

$custom: #81bb3b;
$custom-light: #aad078;
$custom-dark: #000000;

JSON

{
  "hex": "#81bb3b",
  "rgb": {
    "r": 129,
    "g": 187,
    "b": 59
  },
  "hsl": {
    "h": 87.188,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.72685,
    "c": 0.16839,
    "h": 130.7
  },
  "luminance": 0.40524
}

Semantic roles & 50–950 ramp

primary

#81BB3B

secondary

#A68AC8

accent

#4CDB8D

background

#FAFCF7

surface

#F4F9EE

border

#CED2C9

text

#101409

muted

#7F827B

Preview Lab

Preview with #81BB3B

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

Preview Lab → · Contrast checker → · Palette generator →