#51C239#51C239

#51C239 is a light, highly saturated green. Relative luminance 0.406; OKLCH L 72.2% C 0.202 H 140.5°. Best body text is #000000 at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#51C239
RGB	rgb(81, 194, 57)
HSL	hsl(109, 55%, 49%)
HSV	hsv(109, 71%, 76%)
CMYK	cmyk(58.2%, 0%, 70.6%, 23.9%)
CIE-LAB	lab(69.91, -56.84, 56.48)
CIE-LCH	lch(69.91, 80.13, 135.18°)
OKLab	oklab(72.18% -0.1557 0.1285)
OKLCH	oklch(72.18% 0.202 140.5)
XYZ	xyz(23.4226, 40.6262, 10.4774)
Luminance	0.4063 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C239 #AA39C2

analogous

#96C239 #51C239 #39C266

triadic

#51C239 #3951C2 #C23951

tetradic

#51C239 #3996C2 #AA39C2 #C26639

square

#51C239 #3996C2 #AA39C2 #C26639

split-complementary

#51C239 #6639C2 #C23996

monochromatic

#2A631D #3D932B #51C239 #79D266 #A2E095

Accessibility & contrast

On white

2.30

#51C239 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.13

#51C239 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C239

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C239	#FFFFFF	#000000	##000000
##51C239	1.00	2.30	9.13	9.13
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.13	21.00	1.00	1.00
##000000	9.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B123

Deuteranopia (green-blind)

#B9A746

Tritanopia (blue-blind)

#42BCA7

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #51c239;
/* rgb */ color: rgb(81, 194, 57);
/* oklch */ color: oklch(72.2% 0.202 140.5);

Tailwind

colors: {
  custom: {
    50: '#8ed577',
    500: '#51c239',
    950: '#000000',
  },
}

SCSS

$custom: #51c239;
$custom-light: #8ed577;
$custom-dark: #000000;

JSON

{
  "hex": "#51c239",
  "rgb": {
    "r": 81,
    "g": 194,
    "b": 57
  },
  "hsl": {
    "h": 109.489,
    "s": 54.582,
    "l": 49.216
  },
  "oklch": {
    "l": 0.72179,
    "c": 0.20186,
    "h": 140.5
  },
  "luminance": 0.40628
}

Semantic roles & 50–950 ramp

primary

#51C239

secondary

#C08BCB

accent

#4ADEC4

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0D1409

muted

#7E837B

Preview Lab

Preview with #51C239

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

Preview Lab → · Contrast checker → · Palette generator →