#51DD54#51DD54

#51DD54 is a light, highly saturated green. Relative luminance 0.541; OKLCH L 79.4% C 0.215 H 143.5°. Best body text is #000000 at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#51DD54
RGB	rgb(81, 221, 84)
HSL	hsl(121, 67%, 59%)
HSV	hsv(121, 63%, 87%)
CMYK	cmyk(63.3%, 0%, 62%, 13.3%)
CIE-LAB	lab(78.52, -63.80, 54.84)
CIE-LCH	lch(78.52, 84.13, 139.32°)
OKLab	oklab(79.36% -0.1731 0.128)
OKLCH	oklch(79.36% 0.215 143.5)
XYZ	xyz(30.8482, 54.0992, 17.2023)
Luminance	0.5410 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DD54 #DD51DA

analogous

#94DD51 #51DD54 #51DD9A

triadic

#51DD54 #5451DD #DD5451

tetradic

#51DD54 #5194DD #DD51DA #DD9A51

square

#51DD54 #5194DD #DD51DA #DD9A51

split-complementary

#51DD54 #9A51DD #DD5194

monochromatic

#1D9620 #27C92B #51DD54 #84E786 #B7F1B9

Accessibility & contrast

On white

1.78

#51DD54 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.82

#51DD54 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DD54

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DD54	#FFFFFF	#000000	##000000
##51DD54	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)

#E1C944

Deuteranopia (green-blind)

#D0BE60

Tritanopia (blue-blind)

#32D7C0

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51dd54;
/* rgb */ color: rgb(81, 221, 84);
/* oklch */ color: oklch(79.4% 0.215 143.5);

Tailwind

colors: {
  custom: {
    50: '#91e989',
    500: '#51dd54',
    950: '#000000',
  },
}

SCSS

$custom: #51dd54;
$custom-light: #91e989;
$custom-dark: #000000;

JSON

{
  "hex": "#51dd54",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 84
  },
  "hsl": {
    "h": 121.286,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.7936,
    "c": 0.21532,
    "h": 143.5
  },
  "luminance": 0.54102
}

Semantic roles & 50–950 ramp

primary

#51DD54

secondary

#9B3898

accent

#3EE6EA

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #51DD54

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

Preview Lab → · Contrast checker → · Palette generator →