#81CC45#81CC45

#81CC45 is a light, vivid yellow-green. Relative luminance 0.483; OKLCH L 76.9% C 0.183 H 133.9°. Best body text is #000000 at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#81CC45
RGB	rgb(129, 204, 69)
HSL	hsl(93, 57%, 54%)
HSV	hsv(93, 66%, 80%)
CMYK	cmyk(36.8%, 0%, 66.2%, 20%)
CIE-LAB	lab(75.00, -45.43, 57.72)
CIE-LCH	lch(75.00, 73.46, 128.21°)
OKLab	oklab(76.92% -0.127 0.132)
OKLCH	oklch(76.92% 0.183 133.9)
XYZ	xyz(31.7197, 48.2811, 13.2769)
Luminance	0.4828 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81CC45 #9045CC

analogous

#C5CC45 #81CC45 #45CC4C

triadic

#81CC45 #4581CC #CC4581

tetradic

#81CC45 #45C5CC #9045CC #CC4C45

square

#81CC45 #45C5CC #9045CC #CC4C45

split-complementary

#81CC45 #4C45CC #CC45C5

monochromatic

#477620 #63A62E #81CC45 #A2D975 #C2E6A5

Accessibility & contrast

On white

1.97

#81CC45 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.66

#81CC45 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CC45

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81CC45	#FFFFFF	#000000	##000000
##81CC45	1.00	1.97	10.66	10.66
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.66	21.00	1.00	1.00
##000000	10.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BC33

Deuteranopia (green-blind)

#C9B650

Tritanopia (blue-blind)

#81C4B0

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #81cc45;
/* rgb */ color: rgb(129, 204, 69);
/* oklch */ color: oklch(76.9% 0.183 133.9);

Tailwind

colors: {
  custom: {
    50: '#abdc7f',
    500: '#81cc45',
    950: '#000000',
  },
}

SCSS

$custom: #81cc45;
$custom-light: #abdc7f;
$custom-dark: #000000;

JSON

{
  "hex": "#81cc45",
  "rgb": {
    "r": 129,
    "g": 204,
    "b": 69
  },
  "hsl": {
    "h": 93.333,
    "s": 56.962,
    "l": 53.529
  },
  "oklch": {
    "l": 0.76917,
    "c": 0.18318,
    "h": 133.9
  },
  "luminance": 0.48283
}

Semantic roles & 50–950 ramp

primary

#81CC45

secondary

#BA99D3

accent

#48E09C

background

#FAFDF8

surface

#F5FBEF

border

#CFD4CA

text

#10150A

muted

#7F837C

Preview Lab

Preview with #81CC45

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

Preview Lab → · Contrast checker → · Palette generator →