#66DB4C#66DB4C

#66DB4C is a light, highly saturated green. Relative luminance 0.540; OKLCH L 79.5% C 0.210 H 140.2°. Best body text is #000000 at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#66DB4C
RGB	rgb(102, 219, 76)
HSL	hsl(109, 67%, 58%)
HSV	hsv(109, 65%, 86%)
CMYK	cmyk(53.4%, 0%, 65.3%, 14.1%)
CIE-LAB	lab(78.47, -58.93, 58.29)
CIE-LCH	lch(78.47, 82.89, 135.31°)
OKLab	oklab(79.47% -0.1615 0.1344)
OKLCH	oklch(79.47% 0.21 140.2)
XYZ	xyz(32.1141, 54.0070, 15.5682)
Luminance	0.5401 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DB4C #C14CDB

analogous

#ADDB4C #66DB4C #4CDB79

triadic

#66DB4C #4C66DB #DB4C66

tetradic

#66DB4C #4CADDB #C14CDB #DB794C

square

#66DB4C #4CADDB #C14CDB #DB794C

split-complementary

#66DB4C #794CDB #DB4CAD

monochromatic

#32901D #43C327 #66DB4C #92E57F #BDEFB2

Accessibility & contrast

On white

1.78

#66DB4C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.80

#66DB4C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DB4C

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DB4C	#FFFFFF	#000000	##000000
##66DB4C	1.00	1.78	11.80	11.80
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.80	21.00	1.00	1.00
##000000	11.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C839

Deuteranopia (green-blind)

#D2BE59

Tritanopia (blue-blind)

#59D4BE

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #66db4c;
/* rgb */ color: rgb(102, 219, 76);
/* oklch */ color: oklch(79.5% 0.210 140.2);

Tailwind

colors: {
  custom: {
    50: '#9ce784',
    500: '#66db4c',
    950: '#000000',
  },
}

SCSS

$custom: #66db4c;
$custom-light: #9ce784;
$custom-dark: #000000;

JSON

{
  "hex": "#66db4c",
  "rgb": {
    "r": 102,
    "g": 219,
    "b": 76
  },
  "hsl": {
    "h": 109.091,
    "s": 66.512,
    "l": 57.843
  },
  "oklch": {
    "l": 0.7947,
    "c": 0.21009,
    "h": 140.2
  },
  "luminance": 0.5401
}

Semantic roles & 50–950 ramp

primary

#66DB4C

secondary

#843695

accent

#3EE9CA

background

#FCFEFB

surface

#F6FDF2

border

#D0D5CC

text

#0F160B

muted

#80847E

Preview Lab

Preview with #66DB4C

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

Preview Lab → · Contrast checker → · Palette generator →