#51D443#51D443

#51D443 is a light, highly saturated green. Relative luminance 0.492; OKLCH L 76.9% C 0.217 H 141.7°. Best body text is #000000 at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#51D443
RGB	rgb(81, 212, 67)
HSL	hsl(114, 63%, 55%)
HSV	hsv(114, 68%, 83%)
CMYK	cmyk(61.8%, 0%, 68.4%, 16.9%)
CIE-LAB	lab(75.60, -62.34, 58.60)
CIE-LCH	lch(75.60, 85.55, 136.77°)
OKLab	oklab(76.9% -0.17 0.1341)
OKLCH	oklch(76.9% 0.217 141.7)
XYZ	xyz(27.9485, 49.2389, 13.3403)
Luminance	0.4924 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D443 #C643D4

analogous

#9AD443 #51D443 #43D47E

triadic

#51D443 #4351D4 #D44351

tetradic

#51D443 #439AD4 #C643D4 #D47E43

square

#51D443 #439AD4 #C643D4 #D47E43

split-complementary

#51D443 #7E43D4 #D4439A

monochromatic

#277F1D #36B129 #51D443 #7FDF75 #ADEBA7

Accessibility & contrast

On white

1.94

#51D443 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.85

#51D443 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D443

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D443	#FFFFFF	#000000	##000000
##51D443	1.00	1.94	10.85	10.85
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.85	21.00	1.00	1.00
##000000	10.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C12E

Deuteranopia (green-blind)

#C9B651

Tritanopia (blue-blind)

#3ACEB7

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #51d443;
/* rgb */ color: rgb(81, 212, 67);
/* oklch */ color: oklch(76.9% 0.217 141.7);

Tailwind

colors: {
  custom: {
    50: '#90e27e',
    500: '#51d443',
    950: '#000000',
  },
}

SCSS

$custom: #51d443;
$custom-light: #90e27e;
$custom-dark: #000000;

JSON

{
  "hex": "#51d443",
  "rgb": {
    "r": 81,
    "g": 212,
    "b": 67
  },
  "hsl": {
    "h": 114.207,
    "s": 62.771,
    "l": 54.706
  },
  "oklch": {
    "l": 0.76901,
    "c": 0.21656,
    "h": 141.7
  },
  "luminance": 0.49242
}

Semantic roles & 50–950 ramp

primary

#51D443

secondary

#D29BD8

accent

#42E6D6

background

#F9FEF8

surface

#F2FCEF

border

#CCD5CA

text

#0E150A

muted

#7E847C

Preview Lab

Preview with #51D443

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

Preview Lab → · Contrast checker → · Palette generator →