#51C23D#51C23D

#51C23D is a light, vivid green. Relative luminance 0.407; OKLCH L 72.2% C 0.199 H 140.9°. Best body text is #000000 at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#51C23D
RGB	rgb(81, 194, 61)
HSL	hsl(111, 52%, 50%)
HSV	hsv(111, 69%, 76%)
CMYK	cmyk(58.2%, 0%, 68.6%, 23.9%)
CIE-LAB	lab(69.94, -56.51, 54.96)
CIE-LCH	lch(69.94, 78.83, 135.79°)
OKLab	oklab(72.21% -0.1546 0.1258)
OKLCH	oklch(72.21% 0.199 140.9)
XYZ	xyz(23.5263, 40.6677, 11.0239)
Luminance	0.4067 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C23D #AE3DC2

analogous

#94C23D #51C23D #3DC26B

triadic

#51C23D #3D51C2 #C23D51

tetradic

#51C23D #3D94C2 #AE3DC2 #C26B3D

square

#51C23D #3D94C2 #AE3DC2 #C26B3D

split-complementary

#51C23D #6B3DC2 #C23D94

monochromatic

#2A6520 #3E932E #51C23D #7BD16C #A5DF9A

Accessibility & contrast

On white

2.30

#51C23D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.13

#51C23D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C23D

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C23D	#FFFFFF	#000000	##000000
##51C23D	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)

#C7B12A

Deuteranopia (green-blind)

#B9A749

Tritanopia (blue-blind)

#41BCA7

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #51c23d;
/* rgb */ color: rgb(81, 194, 61);
/* oklch */ color: oklch(72.2% 0.199 140.9);

Tailwind

colors: {
  custom: {
    50: '#8ed579',
    500: '#51c23d',
    950: '#000000',
  },
}

SCSS

$custom: #51c23d;
$custom-light: #8ed579;
$custom-dark: #000000;

JSON

{
  "hex": "#51c23d",
  "rgb": {
    "r": 81,
    "g": 194,
    "b": 61
  },
  "hsl": {
    "h": 110.977,
    "s": 52.157,
    "l": 50
  },
  "oklch": {
    "l": 0.72212,
    "c": 0.19928,
    "h": 140.9
  },
  "luminance": 0.4067
}

Semantic roles & 50–950 ramp

primary

#51C23D

secondary

#C290CB

accent

#4CDCC6

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0D140A

muted

#7E837C

Preview Lab

Preview with #51C23D

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

Preview Lab → · Contrast checker → · Palette generator →