#51D449#51D449

#51D449 is a light, highly saturated green. Relative luminance 0.493; OKLCH L 77.0% C 0.213 H 142.3°. Best body text is #000000 at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#51D449
RGB	rgb(81, 212, 73)
HSL	hsl(117, 62%, 56%)
HSV	hsv(117, 66%, 83%)
CMYK	cmyk(61.8%, 0%, 65.6%, 16.9%)
CIE-LAB	lab(75.65, -61.79, 56.26)
CIE-LCH	lch(75.65, 83.57, 137.68°)
OKLab	oklab(76.95% -0.1682 0.1299)
OKLCH	oklch(76.95% 0.213 142.3)
XYZ	xyz(28.1379, 49.3146, 14.3379)
Luminance	0.4932 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D449 #CC49D4

analogous

#96D449 #51D449 #49D486

triadic

#51D449 #4951D4 #D44951

tetradic

#51D449 #4996D4 #CC49D4 #D48649

square

#51D449 #4996D4 #CC49D4 #D48649

split-complementary

#51D449 #8649D4 #D44996

monochromatic

#25841F #33B52B #51D449 #80E07B #B0EBAC

Accessibility & contrast

On white

1.93

#51D449 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.86

#51D449 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D449

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D449	#FFFFFF	#000000	##000000
##51D449	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)

#D9C137

Deuteranopia (green-blind)

#C9B655

Tritanopia (blue-blind)

#39CEB7

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #51d449;
/* rgb */ color: rgb(81, 212, 73);
/* oklch */ color: oklch(77.0% 0.213 142.3);

Tailwind

colors: {
  custom: {
    50: '#90e282',
    500: '#51d449',
    950: '#000000',
  },
}

SCSS

$custom: #51d449;
$custom-light: #90e282;
$custom-dark: #000000;

JSON

{
  "hex": "#51d449",
  "rgb": {
    "r": 81,
    "g": 212,
    "b": 73
  },
  "hsl": {
    "h": 116.547,
    "s": 61.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.76954,
    "c": 0.21254,
    "h": 142.3
  },
  "luminance": 0.49317
}

Semantic roles & 50–950 ramp

primary

#51D449

secondary

#D6A0D9

accent

#43E5DC

background

#F9FEF8

surface

#F2FCEF

border

#CCD5CA

text

#0E150B

muted

#7E847C

Preview Lab

Preview with #51D449

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

Preview Lab → · Contrast checker → · Palette generator →