#51DD53#51DD53

#51DD53 is a light, highly saturated green. Relative luminance 0.541; OKLCH L 79.3% C 0.216 H 143.4°. Best body text is #000000 at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#51DD53
RGB	rgb(81, 221, 83)
HSL	hsl(121, 67%, 59%)
HSV	hsv(121, 63%, 87%)
CMYK	cmyk(63.3%, 0%, 62.4%, 13.3%)
CIE-LAB	lab(78.51, -63.91, 55.26)
CIE-LCH	lch(78.51, 84.48, 139.15°)
OKLab	oklab(79.35% -0.1735 0.1288)
OKLCH	oklch(79.35% 0.216 143.4)
XYZ	xyz(30.8093, 54.0837, 16.9975)
Luminance	0.5409 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DD53 #DD51DB

analogous

#95DD51 #51DD53 #51DD99

triadic

#51DD53 #5351DD #DD5351

tetradic

#51DD53 #5195DD #DD51DB #DD9951

square

#51DD53 #5195DD #DD51DB #DD9951

split-complementary

#51DD53 #9951DD #DD5195

monochromatic

#1D961F #27C92A #51DD53 #84E786 #B7F1B8

Accessibility & contrast

On white

1.78

#51DD53 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.82

#51DD53 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DD53

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DD53	#FFFFFF	#000000	##000000
##51DD53	1.00	1.78	11.82	11.82
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.82	21.00	1.00	1.00
##000000	11.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C943

Deuteranopia (green-blind)

#D0BE5F

Tritanopia (blue-blind)

#32D7C0

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51dd53;
/* rgb */ color: rgb(81, 221, 83);
/* oklch */ color: oklch(79.3% 0.216 143.4);

Tailwind

colors: {
  custom: {
    50: '#91e988',
    500: '#51dd53',
    950: '#000000',
  },
}

SCSS

$custom: #51dd53;
$custom-light: #91e988;
$custom-dark: #000000;

JSON

{
  "hex": "#51dd53",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 83
  },
  "hsl": {
    "h": 120.857,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.79349,
    "c": 0.21605,
    "h": 143.4
  },
  "luminance": 0.54087
}

Semantic roles & 50–950 ramp

primary

#51DD53

secondary

#9B3899

accent

#3EE8EA

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #51DD53

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

Preview Lab → · Contrast checker → · Palette generator →