#51DE49#51DE49

#51DE49 is a light, highly saturated green. Relative luminance 0.545; OKLCH L 79.5% C 0.224 H 142.4°. Best body text is #000000 at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#51DE49
RGB	rgb(81, 222, 73)
HSL	hsl(117, 69%, 58%)
HSV	hsv(117, 67%, 87%)
CMYK	cmyk(63.5%, 0%, 67.1%, 12.9%)
CIE-LAB	lab(78.73, -65.22, 59.59)
CIE-LCH	lch(78.73, 88.35, 137.58°)
OKLab	oklab(79.51% -0.1775 0.1369)
OKLCH	oklch(79.51% 0.224 142.4)
XYZ	xyz(30.7155, 54.4699, 15.1971)
Luminance	0.5447 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DE49 #D649DE

analogous

#9BDE49 #51DE49 #49DE8C

triadic

#51DE49 #4951DE #DE4951

tetradic

#51DE49 #499BDE #D649DE #DE8C49

square

#51DE49 #499BDE #D649DE #DE8C49

split-complementary

#51DE49 #8C49DE #DE499B

monochromatic

#21921A #2DC624 #51DE49 #83E77D #B4F1B1

Accessibility & contrast

On white

1.77

#51DE49 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.89

#51DE49 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DE49

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DE49	#FFFFFF	#000000	##000000
##51DE49	1.00	1.77	11.89	11.89
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.89	21.00	1.00	1.00
##000000	11.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3CA34

Deuteranopia (green-blind)

#D2BE57

Tritanopia (blue-blind)

#35D8C0

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #51de49;
/* rgb */ color: rgb(81, 222, 73);
/* oklch */ color: oklch(79.5% 0.224 142.4);

Tailwind

colors: {
  custom: {
    50: '#92e983',
    500: '#51de49',
    950: '#000000',
  },
}

SCSS

$custom: #51de49;
$custom-light: #92e983;
$custom-dark: #000000;

JSON

{
  "hex": "#51de49",
  "rgb": {
    "r": 81,
    "g": 222,
    "b": 73
  },
  "hsl": {
    "h": 116.779,
    "s": 69.302,
    "l": 57.843
  },
  "oklch": {
    "l": 0.79508,
    "c": 0.22419,
    "h": 142.4
  },
  "luminance": 0.54473
}

Semantic roles & 50–950 ramp

primary

#51DE49

secondary

#923497

accent

#3CECE3

background

#FCFEFB

surface

#F5FDF2

border

#CFD5CC

text

#0E160B

muted

#7F847E

Preview Lab

Preview with #51DE49

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

Preview Lab → · Contrast checker → · Palette generator →