#51C23E#51C23E

#51C23E is a light, vivid green. Relative luminance 0.407; OKLCH L 72.2% C 0.199 H 141.0°. Best body text is #000000 at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#51C23E
RGB	rgb(81, 194, 62)
HSL	hsl(111, 52%, 50%)
HSV	hsv(111, 68%, 76%)
CMYK	cmyk(58.2%, 0%, 68%, 23.9%)
CIE-LAB	lab(69.95, -56.42, 54.57)
CIE-LCH	lch(69.95, 78.49, 135.95°)
OKLab	oklab(72.22% -0.1543 0.1251)
OKLCH	oklch(72.22% 0.199 141)
XYZ	xyz(23.5535, 40.6786, 11.1670)
Luminance	0.4068 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C23E #AF3EC2

analogous

#93C23E #51C23E #3EC26D

triadic

#51C23E #3E51C2 #C23E51

tetradic

#51C23E #3E93C2 #AF3EC2 #C26D3E

square

#51C23E #3E93C2 #AF3EC2 #C26D3E

split-complementary

#51C23E #6D3EC2 #C23E93

monochromatic

#2A6620 #3D942F #51C23E #7BD16D #A5DF9B

Accessibility & contrast

On white

2.30

#51C23E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.14

#51C23E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C23E

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C23E	#FFFFFF	#000000	##000000
##51C23E	1.00	2.30	9.14	9.14
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.14	21.00	1.00	1.00
##000000	9.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B12B

Deuteranopia (green-blind)

#B9A74A

Tritanopia (blue-blind)

#41BCA7

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #51c23e;
/* rgb */ color: rgb(81, 194, 62);
/* oklch */ color: oklch(72.2% 0.199 141.0);

Tailwind

colors: {
  custom: {
    50: '#8ed57a',
    500: '#51c23e',
    950: '#000000',
  },
}

SCSS

$custom: #51c23e;
$custom-light: #8ed57a;
$custom-dark: #000000;

JSON

{
  "hex": "#51c23e",
  "rgb": {
    "r": 81,
    "g": 194,
    "b": 62
  },
  "hsl": {
    "h": 111.364,
    "s": 51.969,
    "l": 50.196
  },
  "oklch": {
    "l": 0.72221,
    "c": 0.19861,
    "h": 141
  },
  "luminance": 0.40681
}

Semantic roles & 50–950 ramp

primary

#51C23E

secondary

#C390CB

accent

#4CDBC7

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0D140A

muted

#7E837C

Preview Lab

Preview with #51C23E

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

Preview Lab → · Contrast checker → · Palette generator →