#51D043#51D043

#51D043 is a light, highly saturated green. Relative luminance 0.473; OKLCH L 75.9% C 0.212 H 141.7°. Best body text is #000000 at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#51D043
RGB	rgb(81, 208, 67)
HSL	hsl(114, 60%, 54%)
HSV	hsv(114, 68%, 82%)
CMYK	cmyk(61.1%, 0%, 67.8%, 18.4%)
CIE-LAB	lab(74.36, -60.95, 57.28)
CIE-LCH	lch(74.36, 83.64, 136.78°)
OKLab	oklab(75.87% -0.1663 0.1314)
OKLCH	oklch(75.87% 0.212 141.7)
XYZ	xyz(26.9609, 47.2638, 13.0111)
Luminance	0.4727 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D043 #C243D0

analogous

#97D043 #51D043 #43D07C

triadic

#51D043 #4351D0 #D04351

tetradic

#51D043 #4397D0 #C243D0 #D07C43

square

#51D043 #4397D0 #C243D0 #D07C43

split-complementary

#51D043 #7C43D0 #D04397

monochromatic

#287A1F #37AB2B #51D043 #7EDC74 #ACE8A5

Accessibility & contrast

On white

2.01

#51D043 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.45

#51D043 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D043

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D043	#FFFFFF	#000000	##000000
##51D043	1.00	2.01	10.45	10.45
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.45	21.00	1.00	1.00
##000000	10.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BD2F

Deuteranopia (green-blind)

#C5B350

Tritanopia (blue-blind)

#3CCAB3

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #51d043;
/* rgb */ color: rgb(81, 208, 67);
/* oklch */ color: oklch(75.9% 0.212 141.7);

Tailwind

colors: {
  custom: {
    50: '#90df7e',
    500: '#51d043',
    950: '#000000',
  },
}

SCSS

$custom: #51d043;
$custom-light: #90df7e;
$custom-dark: #000000;

JSON

{
  "hex": "#51d043",
  "rgb": {
    "r": 81,
    "g": 208,
    "b": 67
  },
  "hsl": {
    "h": 114.043,
    "s": 60,
    "l": 53.922
  },
  "oklch": {
    "l": 0.75874,
    "c": 0.2119,
    "h": 141.7
  },
  "luminance": 0.47266
}

Semantic roles & 50–950 ramp

primary

#51D043

secondary

#D099D5

accent

#45E3D3

background

#F9FDF8

surface

#F2FBEF

border

#CCD4CA

text

#0E150A

muted

#7E837C

Preview Lab

Preview with #51D043

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

Preview Lab → · Contrast checker → · Palette generator →