#51C843#51C843

#51C843 is a light, highly saturated green. Relative luminance 0.435; OKLCH L 73.8% C 0.202 H 141.6°. Best body text is #000000 at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#51C843
RGB	rgb(81, 200, 67)
HSL	hsl(114, 55%, 52%)
HSV	hsv(114, 67%, 78%)
CMYK	cmyk(59.5%, 0%, 66.5%, 21.6%)
CIE-LAB	lab(71.87, -58.12, 54.61)
CIE-LCH	lch(71.87, 79.75, 136.78°)
OKLab	oklab(73.82% -0.1586 0.1257)
OKLCH	oklch(73.82% 0.202 141.6)
XYZ	xyz(25.0595, 43.4608, 12.3773)
Luminance	0.4346 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C843 #BA43C8

analogous

#94C843 #51C843 #43C877

triadic

#51C843 #4351C8 #C84351

tetradic

#51C843 #4394C8 #BA43C8 #C87743

square

#51C843 #4394C8 #BA43C8 #C87743

split-complementary

#51C843 #7743C8 #C84394

monochromatic

#297021 #3A9F2F #51C843 #7DD672 #A9E4A2

Accessibility & contrast

On white

2.17

#51C843 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.69

#51C843 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C843

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C843	#FFFFFF	#000000	##000000
##51C843	1.00	2.17	9.69	9.69
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.69	21.00	1.00	1.00
##000000	9.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB631

Deuteranopia (green-blind)

#BEAC4F

Tritanopia (blue-blind)

#3FC2AD

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #51c843;
/* rgb */ color: rgb(81, 200, 67);
/* oklch */ color: oklch(73.8% 0.202 141.6);

Tailwind

colors: {
  custom: {
    50: '#8eda7d',
    500: '#51c843',
    950: '#000000',
  },
}

SCSS

$custom: #51c843;
$custom-light: #8eda7d;
$custom-dark: #000000;

JSON

{
  "hex": "#51c843",
  "rgb": {
    "r": 81,
    "g": 200,
    "b": 67
  },
  "hsl": {
    "h": 113.684,
    "s": 54.733,
    "l": 52.353
  },
  "oklch": {
    "l": 0.73816,
    "c": 0.20241,
    "h": 141.6
  },
  "luminance": 0.43463
}

Semantic roles & 50–950 ramp

primary

#51C843

secondary

#CA96D0

accent

#4ADECE

background

#F9FDF7

surface

#F2FBEE

border

#CCD4C9

text

#0E150A

muted

#7E837C

Preview Lab

Preview with #51C843

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

Preview Lab → · Contrast checker → · Palette generator →