#66DD4C#66DD4C

#66DD4C is a light, highly saturated green. Relative luminance 0.551; OKLCH L 80.0% C 0.212 H 140.3°. Best body text is #000000 at 12.01:1 contrast (WCAG AA passes).

Color values

HEX	#66DD4C
RGB	rgb(102, 221, 76)
HSL	hsl(109, 68%, 58%)
HSV	hsv(109, 66%, 87%)
CMYK	cmyk(53.8%, 0%, 65.6%, 13.3%)
CIE-LAB	lab(79.07, -59.67, 58.95)
CIE-LCH	lch(79.07, 83.87, 135.35°)
OKLab	oklab(79.97% -0.1635 0.1357)
OKLCH	oklch(79.97% 0.213 140.3)
XYZ	xyz(32.6390, 55.0568, 15.7431)
Luminance	0.5506 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DD4C #C34CDD

analogous

#AFDD4C #66DD4C #4CDD7A

triadic

#66DD4C #4C66DD #DD4C66

tetradic

#66DD4C #4CAFDD #C34CDD #DD7A4C

square

#66DD4C #4CAFDD #C34CDD #DD7A4C

split-complementary

#66DD4C #7A4CDD #DD4CAF

monochromatic

#31931C #42C626 #66DD4C #92E77F #BEF1B3

Accessibility & contrast

On white

1.75

#66DD4C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.01

#66DD4C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DD4C

12.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DD4C	#FFFFFF	#000000	##000000
##66DD4C	1.00	1.75	12.01	12.01
#FFFFFF	1.75	1.00	21.00	21.00
#000000	12.01	21.00	1.00	1.00
##000000	12.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3CA39

Deuteranopia (green-blind)

#D3C059

Tritanopia (blue-blind)

#58D6BF

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #66dd4c;
/* rgb */ color: rgb(102, 221, 76);
/* oklch */ color: oklch(80.0% 0.212 140.3);

Tailwind

colors: {
  custom: {
    50: '#9ce884',
    500: '#66dd4c',
    950: '#000000',
  },
}

SCSS

$custom: #66dd4c;
$custom-light: #9ce884;
$custom-dark: #000000;

JSON

{
  "hex": "#66dd4c",
  "rgb": {
    "r": 102,
    "g": 221,
    "b": 76
  },
  "hsl": {
    "h": 109.241,
    "s": 68.075,
    "l": 58.235
  },
  "oklch": {
    "l": 0.79971,
    "c": 0.2125,
    "h": 140.3
  },
  "luminance": 0.55059
}

Semantic roles & 50–950 ramp

primary

#66DD4C

secondary

#863697

accent

#3DEBCC

background

#FCFEFB

surface

#F6FDF2

border

#D0D5CC

text

#0F160B

muted

#80847E

Preview Lab

Preview with #66DD4C

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

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