#81C151#81C151

#81C151 is a light, vivid yellow-green. Relative luminance 0.434; OKLCH L 74.4% C 0.159 H 133.8°. Best body text is #000000 at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#81C151
RGB	rgb(129, 193, 81)
HSL	hsl(94, 47%, 54%)
HSV	hsv(94, 58%, 76%)
CMYK	cmyk(33.2%, 0%, 58%, 24.3%)
CIE-LAB	lab(71.83, -39.62, 49.06)
CIE-LCH	lch(71.83, 63.06, 128.92°)
OKLab	oklab(74.36% -0.1101 0.115)
OKLCH	oklch(74.36% 0.159 133.8)
XYZ	xyz(29.6079, 43.4000, 14.6000)
Luminance	0.4340 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81C151 #9151C1

analogous

#B9C151 #81C151 #51C159

triadic

#81C151 #5181C1 #C15181

tetradic

#81C151 #51B9C1 #9151C1 #C15951

square

#81C151 #51B9C1 #9151C1 #C15951

split-complementary

#81C151 #5951C1 #C151B9

monochromatic

#477028 #639D38 #81C151 #A2D17E #C2E1AB

Accessibility & contrast

On white

2.17

#81C151 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.68

#81C151 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81C151

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81C151	#FFFFFF	#000000	##000000
##81C151	1.00	2.17	9.68	9.68
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.68	21.00	1.00	1.00
##000000	9.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B345

Deuteranopia (green-blind)

#BFAE59

Tritanopia (blue-blind)

#81BAA9

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #81c151;
/* rgb */ color: rgb(129, 193, 81);
/* oklch */ color: oklch(74.4% 0.159 133.8);

Tailwind

colors: {
  custom: {
    50: '#a9d485',
    500: '#81c151',
    950: '#000000',
  },
}

SCSS

$custom: #81c151;
$custom-light: #a9d485;
$custom-dark: #000000;

JSON

{
  "hex": "#81c151",
  "rgb": {
    "r": 129,
    "g": 193,
    "b": 81
  },
  "hsl": {
    "h": 94.286,
    "s": 47.458,
    "l": 53.725
  },
  "oklch": {
    "l": 0.74362,
    "c": 0.1592,
    "h": 133.8
  },
  "luminance": 0.43401
}

Semantic roles & 50–950 ramp

primary

#81C151

secondary

#BA9FCF

accent

#51D79D

background

#FAFDF8

surface

#F4FAEF

border

#CED3CA

text

#10140B

muted

#7F837C

Preview Lab

Preview with #81C151

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

Preview Lab → · Contrast checker → · Palette generator →