#51D543#51D543

#51D543 is a light, highly saturated green. Relative luminance 0.497; OKLCH L 77.2% C 0.218 H 141.7°. Best body text is #000000 at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#51D543
RGB	rgb(81, 213, 67)
HSL	hsl(114, 63%, 55%)
HSV	hsv(114, 69%, 84%)
CMYK	cmyk(62%, 0%, 68.5%, 16.5%)
CIE-LAB	lab(75.91, -62.68, 58.92)
CIE-LCH	lch(75.91, 86.03, 136.77°)
OKLab	oklab(77.16% -0.171 0.1348)
OKLCH	oklch(77.16% 0.218 141.7)
XYZ	xyz(28.1992, 49.7404, 13.4239)
Luminance	0.4974 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D543 #C743D5

analogous

#9AD543 #51D543 #43D57E

triadic

#51D543 #4351D5 #D54351

tetradic

#51D543 #439AD5 #C743D5 #D57E43

square

#51D543 #439AD5 #C743D5 #D57E43

split-complementary

#51D543 #7E43D5 #D5439A

monochromatic

#26811D #35B328 #51D543 #7FE075 #AEEBA7

Accessibility & contrast

On white

1.92

#51D543 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.95

#51D543 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D543

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D543	#FFFFFF	#000000	##000000
##51D543	1.00	1.92	10.95	10.95
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.95	21.00	1.00	1.00
##000000	10.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC22D

Deuteranopia (green-blind)

#CAB751

Tritanopia (blue-blind)

#3ACFB8

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #51d543;
/* rgb */ color: rgb(81, 213, 67);
/* oklch */ color: oklch(77.2% 0.218 141.7);

Tailwind

colors: {
  custom: {
    50: '#91e37e',
    500: '#51d543',
    950: '#000000',
  },
}

SCSS

$custom: #51d543;
$custom-light: #91e37e;
$custom-dark: #000000;

JSON

{
  "hex": "#51d543",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 67
  },
  "hsl": {
    "h": 114.247,
    "s": 63.478,
    "l": 54.902
  },
  "oklch": {
    "l": 0.77157,
    "c": 0.21772,
    "h": 141.7
  },
  "luminance": 0.49743
}

Semantic roles & 50–950 ramp

primary

#51D543

secondary

#D39BD9

accent

#41E7D7

background

#F9FEF8

surface

#F2FCEF

border

#CCD5CA

text

#0E160A

muted

#7E847C

Preview Lab

Preview with #51D543

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

Preview Lab → · Contrast checker → · Palette generator →