#51D447#51D447

#51D447 is a light, highly saturated green. Relative luminance 0.493; OKLCH L 76.9% C 0.214 H 142.1°. Best body text is #000000 at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#51D447
RGB	rgb(81, 212, 71)
HSL	hsl(116, 62%, 55%)
HSV	hsv(116, 67%, 83%)
CMYK	cmyk(61.8%, 0%, 66.5%, 16.9%)
CIE-LAB	lab(75.63, -61.98, 57.05)
CIE-LCH	lch(75.63, 84.24, 137.37°)
OKLab	oklab(76.94% -0.1688 0.1313)
OKLCH	oklch(76.94% 0.214 142.1)
XYZ	xyz(28.0726, 49.2885, 13.9943)
Luminance	0.4929 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D447 #CA47D4

analogous

#97D447 #51D447 #47D484

triadic

#51D447 #4751D4 #D44751

tetradic

#51D447 #4797D4 #CA47D4 #D48447

square

#51D447 #4797D4 #CA47D4 #D48447

split-complementary

#51D447 #8447D4 #D44797

monochromatic

#25821E #34B42A #51D447 #80E079 #AFEBAA

Accessibility & contrast

On white

1.93

#51D447 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.86

#51D447 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D447

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D447	#FFFFFF	#000000	##000000
##51D447	1.00	1.93	10.86	10.86
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.86	21.00	1.00	1.00
##000000	10.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C134

Deuteranopia (green-blind)

#C9B654

Tritanopia (blue-blind)

#39CEB7

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #51d447;
/* rgb */ color: rgb(81, 212, 71);
/* oklch */ color: oklch(76.9% 0.214 142.1);

Tailwind

colors: {
  custom: {
    50: '#90e281',
    500: '#51d447',
    950: '#000000',
  },
}

SCSS

$custom: #51d447;
$custom-light: #90e281;
$custom-dark: #000000;

JSON

{
  "hex": "#51d447",
  "rgb": {
    "r": 81,
    "g": 212,
    "b": 71
  },
  "hsl": {
    "h": 115.745,
    "s": 62.115,
    "l": 55.49
  },
  "oklch": {
    "l": 0.76936,
    "c": 0.21392,
    "h": 142.1
  },
  "luminance": 0.49291
}

Semantic roles & 50–950 ramp

primary

#51D447

secondary

#D59ED9

accent

#43E5DA

background

#F9FEF8

surface

#F2FCEF

border

#CCD5CA

text

#0E150B

muted

#7E847C

Preview Lab

Preview with #51D447

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

Preview Lab → · Contrast checker → · Palette generator →