#66DB42#66DB42

#66DB42 is a light, highly saturated green. Relative luminance 0.539; OKLCH L 79.4% C 0.217 H 139.3°. Best body text is #000000 at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#66DB42
RGB	rgb(102, 219, 66)
HSL	hsl(106, 68%, 56%)
HSV	hsv(106, 70%, 86%)
CMYK	cmyk(53.4%, 0%, 69.9%, 14.1%)
CIE-LAB	lab(78.39, -59.77, 62.09)
CIE-LCH	lch(78.39, 86.19, 133.91°)
OKLab	oklab(79.38% -0.1644 0.1412)
OKLCH	oklch(79.38% 0.217 139.3)
XYZ	xyz(31.7931, 53.8786, 13.8774)
Luminance	0.5388 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DB42 #B742DB

analogous

#B3DB42 #66DB42 #42DB6A

triadic

#66DB42 #4266DB #DB4266

tetradic

#66DB42 #42B3DB #B742DB #DB6A42

square

#66DB42 #42B3DB #B742DB #DB6A42

split-complementary

#66DB42 #6A42DB #DB42B3

monochromatic

#34891A #48BC24 #66DB42 #90E575 #B9EFA9

Accessibility & contrast

On white

1.78

#66DB42 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.78

#66DB42 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DB42

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DB42	#FFFFFF	#000000	##000000
##66DB42	1.00	1.78	11.78	11.78
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.78	21.00	1.00	1.00
##000000	11.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C82A

Deuteranopia (green-blind)

#D2BE51

Tritanopia (blue-blind)

#5AD4BD

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #66db42;
/* rgb */ color: rgb(102, 219, 66);
/* oklch */ color: oklch(79.4% 0.217 139.3);

Tailwind

colors: {
  custom: {
    50: '#9ce77f',
    500: '#66db42',
    950: '#000000',
  },
}

SCSS

$custom: #66db42;
$custom-light: #9ce77f;
$custom-dark: #000000;

JSON

{
  "hex": "#66db42",
  "rgb": {
    "r": 102,
    "g": 219,
    "b": 66
  },
  "hsl": {
    "h": 105.882,
    "s": 68,
    "l": 55.882
  },
  "oklch": {
    "l": 0.79384,
    "c": 0.21667,
    "h": 139.3
  },
  "luminance": 0.53881
}

Semantic roles & 50–950 ramp

primary

#66DB42

secondary

#79338F

accent

#3DEBC2

background

#FCFEFB

surface

#F6FDF2

border

#D0D5CC

text

#0F160B

muted

#80847E

Preview Lab

Preview with #66DB42

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

Preview Lab → · Contrast checker → · Palette generator →