#51DD8D#51DD8D

#51DD8D is a light, vivid green. Relative luminance 0.554; OKLCH L 80.2% C 0.166 H 154.6°. Best body text is #000000 at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#51DD8D
RGB	rgb(81, 221, 141)
HSL	hsl(146, 67%, 59%)
HSV	hsv(146, 63%, 87%)
CMYK	cmyk(63.3%, 0%, 36.2%, 13.3%)
CIE-LAB	lab(79.26, -55.48, 28.44)
CIE-LCH	lch(79.26, 62.34, 152.86°)
OKLab	oklab(80.21% -0.1503 0.0713)
OKLCH	oklch(80.21% 0.166 154.6)
XYZ	xyz(34.0546, 55.3818, 34.0892)
Luminance	0.5538 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DD8D #DD51A1

analogous

#5BDD51 #51DD8D #51DDD3

triadic

#51DD8D #8D51DD #DD8D51

tetradic

#51DD8D #515BDD #DD51A1 #DDD351

square

#51DD8D #515BDD #DD51A1 #DDD351

split-complementary

#51DD8D #D351DD #DD515B

monochromatic

#1D9651 #27C96D #51DD8D #84E7AF #B7F1D0

Accessibility & contrast

On white

1.74

#51DD8D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.08

#51DD8D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DD8D

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DD8D	#FFFFFF	#000000	##000000
##51DD8D	1.00	1.74	12.08	12.08
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.08	21.00	1.00	1.00
##000000	12.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCCC88

Deuteranopia (green-blind)

#CABF92

Tritanopia (blue-blind)

#01DBC9

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #51dd8d;
/* rgb */ color: rgb(81, 221, 141);
/* oklch */ color: oklch(80.2% 0.166 154.6);

Tailwind

colors: {
  custom: {
    50: '#90e8af',
    500: '#51dd8d',
    950: '#000000',
  },
}

SCSS

$custom: #51dd8d;
$custom-light: #90e8af;
$custom-dark: #000000;

JSON

{
  "hex": "#51dd8d",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 141
  },
  "hsl": {
    "h": 145.714,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.80212,
    "c": 0.16631,
    "h": 154.6
  },
  "luminance": 0.55385
}

Semantic roles & 50–950 ramp

primary

#51DD8D

secondary

#9B3870

accent

#3EA0EA

background

#FCFEFD

surface

#F5FDF7

border

#CFD5D0

text

#0E1610

muted

#7F8481

Preview Lab

Preview with #51DD8D

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

Preview Lab → · Contrast checker → · Palette generator →