#51AE22#51AE22

#51AE22 is a light, vivid yellow-green. Relative luminance 0.321; OKLCH L 66.8% C 0.191 H 137.8°. Best body text is #000000 at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#51AE22
RGB	rgb(81, 174, 34)
HSL	hsl(100, 67%, 41%)
HSV	hsv(100, 80%, 68%)
CMYK	cmyk(53.4%, 0%, 80.5%, 31.8%)
CIE-LAB	lab(63.45, -51.06, 57.94)
CIE-LCH	lch(63.45, 77.23, 131.39°)
OKLab	oklab(66.81% -0.1415 0.1283)
OKLCH	oklch(66.81% 0.191 137.8)
XYZ	xyz(18.8175, 32.1355, 6.7242)
Luminance	0.3214 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AE22 #7F22AE

analogous

#97AE22 #51AE22 #22AE39

triadic

#51AE22 #2251AE #AE2251

tetradic

#51AE22 #2297AE #7F22AE #AE3922

square

#51AE22 #2297AE #7F22AE #AE3922

split-complementary

#51AE22 #3922AE #AE2297

monochromatic

#21480E #397B18 #51AE22 #6CD836 #91E269

Accessibility & contrast

On white

2.83

#51AE22 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.43

#51AE22 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AE22

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AE22	#FFFFFF	#000000	##000000
##51AE22	1.00	2.83	7.43	7.43
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.43	21.00	1.00	1.00
##000000	7.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B49E00

Deuteranopia (green-blind)

#A89733

Tritanopia (blue-blind)

#4AA894

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #51ae22;
/* rgb */ color: rgb(81, 174, 34);
/* oklch */ color: oklch(66.8% 0.191 137.8);

Tailwind

colors: {
  custom: {
    50: '#8cc76a',
    500: '#51ae22',
    950: '#000000',
  },
}

SCSS

$custom: #51ae22;
$custom-light: #8cc76a;
$custom-dark: #000000;

JSON

{
  "hex": "#51ae22",
  "rgb": {
    "r": 81,
    "g": 174,
    "b": 34
  },
  "hsl": {
    "h": 99.857,
    "s": 67.308,
    "l": 40.784
  },
  "oklch": {
    "l": 0.66806,
    "c": 0.191,
    "h": 137.8
  },
  "luminance": 0.32137
}

Semantic roles & 50–950 ramp

primary

#51AE22

secondary

#A664C7

accent

#3EEAB0

background

#F9FCF6

surface

#F1F8EC

border

#CBD1C7

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #51AE22

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

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