#51C23C#51C23C

#51C23C is a light, vivid green. Relative luminance 0.407; OKLCH L 72.2% C 0.200 H 140.8°. Best body text is #000000 at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#51C23C
RGB	rgb(81, 194, 60)
HSL	hsl(111, 53%, 50%)
HSV	hsv(111, 69%, 76%)
CMYK	cmyk(58.2%, 0%, 69.1%, 23.9%)
CIE-LAB	lab(69.94, -56.59, 55.35)
CIE-LCH	lch(69.94, 79.16, 135.64°)
OKLab	oklab(72.2% -0.1549 0.1265)
OKLCH	oklch(72.2% 0.2 140.8)
XYZ	xyz(23.4996, 40.6571, 10.8833)
Luminance	0.4066 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C23C #AD3CC2

analogous

#94C23C #51C23C #3CC26A

triadic

#51C23C #3C51C2 #C23C51

tetradic

#51C23C #3C94C2 #AD3CC2 #C26A3C

square

#51C23C #3C94C2 #AD3CC2 #C26A3C

split-complementary

#51C23C #6A3CC2 #C23C94

monochromatic

#2A651F #3D932E #51C23C #7AD16A #A4DF99

Accessibility & contrast

On white

2.30

#51C23C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.13

#51C23C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C23C

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C23C	#FFFFFF	#000000	##000000
##51C23C	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)

#C7B128

Deuteranopia (green-blind)

#B9A749

Tritanopia (blue-blind)

#42BCA7

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #51c23c;
/* rgb */ color: rgb(81, 194, 60);
/* oklch */ color: oklch(72.2% 0.200 140.8);

Tailwind

colors: {
  custom: {
    50: '#8ed579',
    500: '#51c23c',
    950: '#000000',
  },
}

SCSS

$custom: #51c23c;
$custom-light: #8ed579;
$custom-dark: #000000;

JSON

{
  "hex": "#51c23c",
  "rgb": {
    "r": 81,
    "g": 194,
    "b": 60
  },
  "hsl": {
    "h": 110.597,
    "s": 52.756,
    "l": 49.804
  },
  "oklch": {
    "l": 0.72204,
    "c": 0.19994,
    "h": 140.8
  },
  "luminance": 0.40659
}

Semantic roles & 50–950 ramp

primary

#51C23C

secondary

#C28FCB

accent

#4CDCC6

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0D1409

muted

#7E837B

Preview Lab

Preview with #51C23C

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

Preview Lab → · Contrast checker → · Palette generator →