#51C345#51C345

#51C345 is a light, vivid green. Relative luminance 0.412; OKLCH L 72.5% C 0.195 H 141.8°. Best body text is #000000 at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#51C345
RGB	rgb(81, 195, 69)
HSL	hsl(114, 51%, 52%)
HSV	hsv(114, 65%, 76%)
CMYK	cmyk(58.5%, 0%, 64.6%, 23.5%)
CIE-LAB	lab(70.32, -56.12, 52.10)
CIE-LCH	lch(70.32, 76.58, 137.13°)
OKLab	oklab(72.55% -0.1531 0.1207)
OKLCH	oklch(72.55% 0.195 141.8)
XYZ	xyz(23.9814, 41.2071, 12.3191)
Luminance	0.4121 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C345 #B745C3

analogous

#90C345 #51C345 #45C378

triadic

#51C345 #4551C3 #C34551

tetradic

#51C345 #4590C3 #B745C3 #C37845

square

#51C345 #4590C3 #B745C3 #C37845

split-complementary

#51C345 #7845C3 #C34590

monochromatic

#296B23 #3B9931 #51C345 #7CD273 #A8E1A2

Accessibility & contrast

On white

2.27

#51C345 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.24

#51C345 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C345

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C345	#FFFFFF	#000000	##000000
##51C345	1.00	2.27	9.24	9.24
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.24	21.00	1.00	1.00
##000000	9.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B235

Deuteranopia (green-blind)

#B9A850

Tritanopia (blue-blind)

#40BDA9

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #51c345;
/* rgb */ color: rgb(81, 195, 69);
/* oklch */ color: oklch(72.5% 0.195 141.8);

Tailwind

colors: {
  custom: {
    50: '#8dd67e',
    500: '#51c345',
    950: '#000000',
  },
}

SCSS

$custom: #51c345;
$custom-light: #8dd67e;
$custom-dark: #000000;

JSON

{
  "hex": "#51c345",
  "rgb": {
    "r": 81,
    "g": 195,
    "b": 69
  },
  "hsl": {
    "h": 114.286,
    "s": 51.22,
    "l": 51.765
  },
  "oklch": {
    "l": 0.72545,
    "c": 0.19493,
    "h": 141.8
  },
  "luminance": 0.41209
}

Semantic roles & 50–950 ramp

primary

#51C345

secondary

#C896CE

accent

#4DDBCD

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0D140A

muted

#7E837C

Preview Lab

Preview with #51C345

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

Preview Lab → · Contrast checker → · Palette generator →