#66DD4D#66DD4D

#66DD4D is a light, highly saturated green. Relative luminance 0.551; OKLCH L 80.0% C 0.212 H 140.4°. Best body text is #000000 at 12.01:1 contrast (WCAG AA passes).

Color values

HEX	#66DD4D
RGB	rgb(102, 221, 77)
HSL	hsl(110, 68%, 58%)
HSV	hsv(110, 65%, 87%)
CMYK	cmyk(53.8%, 0%, 65.2%, 13.3%)
CIE-LAB	lab(79.08, -59.58, 58.55)
CIE-LCH	lch(79.08, 83.53, 135.50°)
OKLab	oklab(79.98% -0.1632 0.135)
OKLCH	oklch(79.98% 0.212 140.4)
XYZ	xyz(32.6741, 55.0708, 15.9277)
Luminance	0.5507 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DD4D #C44DDD

analogous

#AEDD4D #66DD4D #4DDD7C

triadic

#66DD4D #4D66DD #DD4D66

tetradic

#66DD4D #4DAEDD #C44DDD #DD7C4D

square

#66DD4D #4DAEDD #C44DDD #DD7C4D

split-complementary

#66DD4D #7C4DDD #DD4DAE

monochromatic

#31931C #42C726 #66DD4D #92E780 #BEF1B4

Accessibility & contrast

On white

1.75

#66DD4D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.01

#66DD4D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DD4D

12.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DD4D	#FFFFFF	#000000	##000000
##66DD4D	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)

#E3CA3A

Deuteranopia (green-blind)

#D3C05A

Tritanopia (blue-blind)

#58D6BF

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #66dd4d;
/* rgb */ color: rgb(102, 221, 77);
/* oklch */ color: oklch(80.0% 0.212 140.4);

Tailwind

colors: {
  custom: {
    50: '#9ce885',
    500: '#66dd4d',
    950: '#000000',
  },
}

SCSS

$custom: #66dd4d;
$custom-light: #9ce885;
$custom-dark: #000000;

JSON

{
  "hex": "#66dd4d",
  "rgb": {
    "r": 102,
    "g": 221,
    "b": 77
  },
  "hsl": {
    "h": 109.583,
    "s": 67.925,
    "l": 58.431
  },
  "oklch": {
    "l": 0.7998,
    "c": 0.21181,
    "h": 140.4
  },
  "luminance": 0.55074
}

Semantic roles & 50–950 ramp

primary

#66DD4D

secondary

#873698

accent

#3DEBCD

background

#FCFEFB

surface

#F6FDF2

border

#D0D5CC

text

#0F160B

muted

#80847E

Preview Lab

Preview with #66DD4D

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

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