#51AE23#51AE23

#51AE23 is a light, vivid green. Relative luminance 0.321; OKLCH L 66.8% C 0.191 H 137.9°. Best body text is #000000 at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#51AE23
RGB	rgb(81, 174, 35)
HSL	hsl(100, 67%, 41%)
HSV	hsv(100, 80%, 68%)
CMYK	cmyk(53.4%, 0%, 79.9%, 31.8%)
CIE-LAB	lab(63.46, -51.01, 57.64)
CIE-LCH	lch(63.46, 76.97, 131.50°)
OKLab	oklab(66.81% -0.1413 0.1279)
OKLCH	oklch(66.81% 0.191 137.9)
XYZ	xyz(18.8321, 32.1413, 6.8013)
Luminance	0.3214 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AE23 #8023AE

analogous

#96AE23 #51AE23 #23AE3A

triadic

#51AE23 #2351AE #AE2351

tetradic

#51AE23 #2396AE #8023AE #AE3A23

square

#51AE23 #2396AE #8023AE #AE3A23

split-complementary

#51AE23 #3A23AE #AE2396

monochromatic

#22480F #397B19 #51AE23 #6CD737 #92E16A

Accessibility & contrast

On white

2.83

#51AE23 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.43

#51AE23 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AE23

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AE23	#FFFFFF	#000000	##000000
##51AE23	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: #51ae23;
/* rgb */ color: rgb(81, 174, 35);
/* oklch */ color: oklch(66.8% 0.191 137.9);

Tailwind

colors: {
  custom: {
    50: '#8cc76a',
    500: '#51ae23',
    950: '#000000',
  },
}

SCSS

$custom: #51ae23;
$custom-light: #8cc76a;
$custom-dark: #000000;

JSON

{
  "hex": "#51ae23",
  "rgb": {
    "r": 81,
    "g": 174,
    "b": 35
  },
  "hsl": {
    "h": 100.144,
    "s": 66.507,
    "l": 40.98
  },
  "oklch": {
    "l": 0.66811,
    "c": 0.19053,
    "h": 137.9
  },
  "luminance": 0.32143
}

Semantic roles & 50–950 ramp

primary

#51AE23

secondary

#A766C7

accent

#3EE9B1

background

#F9FCF6

surface

#F1F8EC

border

#CBD1C7

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #51AE23

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

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