#51C543#51C543

#51C543 is a light, vivid green. Relative luminance 0.421; OKLCH L 73.0% C 0.199 H 141.6°. Best body text is #000000 at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#51C543
RGB	rgb(81, 197, 67)
HSL	hsl(114, 53%, 52%)
HSV	hsv(114, 66%, 77%)
CMYK	cmyk(58.9%, 0%, 66%, 22.7%)
CIE-LAB	lab(70.93, -57.04, 53.60)
CIE-LCH	lch(70.93, 78.27, 136.78°)
OKLab	oklab(73.04% -0.1557 0.1236)
OKLCH	oklch(73.04% 0.199 141.6)
XYZ	xyz(24.3715, 42.0849, 12.1480)
Luminance	0.4209 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C543 #B743C5

analogous

#92C543 #51C543 #43C576

triadic

#51C543 #4351C5 #C54351

tetradic

#51C543 #4392C5 #B743C5 #C57643

square

#51C543 #4392C5 #B743C5 #C57643

split-complementary

#51C543 #7643C5 #C54392

monochromatic

#296C21 #3B9B30 #51C543 #7CD372 #A8E2A1

Accessibility & contrast

On white

2.23

#51C543 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.42

#51C543 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C543

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C543	#FFFFFF	#000000	##000000
##51C543	1.00	2.23	9.42	9.42
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.42	21.00	1.00	1.00
##000000	9.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB432

Deuteranopia (green-blind)

#BBAA4F

Tritanopia (blue-blind)

#3FBFAA

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #51c543;
/* rgb */ color: rgb(81, 197, 67);
/* oklch */ color: oklch(73.0% 0.199 141.6);

Tailwind

colors: {
  custom: {
    50: '#8ed77d',
    500: '#51c543',
    950: '#000000',
  },
}

SCSS

$custom: #51c543;
$custom-light: #8ed77d;
$custom-dark: #000000;

JSON

{
  "hex": "#51c543",
  "rgb": {
    "r": 81,
    "g": 197,
    "b": 67
  },
  "hsl": {
    "h": 113.538,
    "s": 52.846,
    "l": 51.765
  },
  "oklch": {
    "l": 0.73042,
    "c": 0.19879,
    "h": 141.6
  },
  "luminance": 0.42087
}

Semantic roles & 50–950 ramp

primary

#51C543

secondary

#C895CE

accent

#4CDCCD

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0D140A

muted

#7E837C

Preview Lab

Preview with #51C543

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

Preview Lab → · Contrast checker → · Palette generator →