#51AF22#51AF22

#51AF22 is a light, vivid green. Relative luminance 0.325; OKLCH L 67.1% C 0.192 H 137.9°. Best body text is #000000 at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#51AF22
RGB	rgb(81, 175, 34)
HSL	hsl(100, 67%, 41%)
HSV	hsv(100, 81%, 69%)
CMYK	cmyk(53.7%, 0%, 80.6%, 31.4%)
CIE-LAB	lab(63.77, -51.44, 58.23)
CIE-LCH	lch(63.77, 77.70, 131.45°)
OKLab	oklab(67.07% -0.1425 0.1289)
OKLCH	oklch(67.07% 0.192 137.9)
XYZ	xyz(19.0114, 32.5233, 6.7889)
Luminance	0.3252 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AF22 #8022AF

analogous

#97AF22 #51AF22 #22AF39

triadic

#51AF22 #2251AF #AF2251

tetradic

#51AF22 #2297AF #8022AF #AF3922

square

#51AF22 #2297AF #8022AF #AF3922

split-complementary

#51AF22 #3922AF #AF2297

monochromatic

#22490E #397C18 #51AF22 #6CD836 #92E269

Accessibility & contrast

On white

2.80

#51AF22 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.50

#51AF22 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AF22

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AF22	#FFFFFF	#000000	##000000
##51AF22	1.00	2.80	7.50	7.50
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.50	21.00	1.00	1.00
##000000	7.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B59F00

Deuteranopia (green-blind)

#A99833

Tritanopia (blue-blind)

#49A995

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #51af22;
/* rgb */ color: rgb(81, 175, 34);
/* oklch */ color: oklch(67.1% 0.192 137.9);

Tailwind

colors: {
  custom: {
    50: '#8cc86a',
    500: '#51af22',
    950: '#000000',
  },
}

SCSS

$custom: #51af22;
$custom-light: #8cc86a;
$custom-dark: #000000;

JSON

{
  "hex": "#51af22",
  "rgb": {
    "r": 81,
    "g": 175,
    "b": 34
  },
  "hsl": {
    "h": 100,
    "s": 67.464,
    "l": 40.98
  },
  "oklch": {
    "l": 0.67068,
    "c": 0.19215,
    "h": 137.9
  },
  "luminance": 0.32525
}

Semantic roles & 50–950 ramp

primary

#51AF22

secondary

#A765C8

accent

#3DEAB1

background

#F9FCF6

surface

#F1F8EC

border

#CBD1C7

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #51AF22

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

Preview Lab → · Contrast checker → · Palette generator →