#66DB4A#66DB4A

#66DB4A is a light, highly saturated green. Relative luminance 0.540; OKLCH L 79.5% C 0.211 H 140.1°. Best body text is #000000 at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#66DB4A
RGB	rgb(102, 219, 74)
HSL	hsl(108, 67%, 57%)
HSV	hsv(108, 66%, 86%)
CMYK	cmyk(53.4%, 0%, 66.2%, 14.1%)
CIE-LAB	lab(78.45, -59.11, 59.08)
CIE-LCH	lch(78.45, 83.57, 135.02°)
OKLab	oklab(79.45% -0.1621 0.1358)
OKLCH	oklch(79.45% 0.211 140.1)
XYZ	xyz(32.0457, 53.9796, 15.2077)
Luminance	0.5398 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DB4A #BF4ADB

analogous

#AEDB4A #66DB4A #4ADB77

triadic

#66DB4A #4A66DB #DB4A66

tetradic

#66DB4A #4AAEDB #BF4ADB #DB774A

square

#66DB4A #4AAEDB #BF4ADB #DB774A

split-complementary

#66DB4A #774ADB #DB4AAE

monochromatic

#328E1C #44C126 #66DB4A #91E57D #BCEFB0

Accessibility & contrast

On white

1.78

#66DB4A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.80

#66DB4A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DB4A

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DB4A	#FFFFFF	#000000	##000000
##66DB4A	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)

#E1C836

Deuteranopia (green-blind)

#D2BE57

Tritanopia (blue-blind)

#59D4BD

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #66db4a;
/* rgb */ color: rgb(102, 219, 74);
/* oklch */ color: oklch(79.5% 0.211 140.1);

Tailwind

colors: {
  custom: {
    50: '#9ce783',
    500: '#66db4a',
    950: '#000000',
  },
}

SCSS

$custom: #66db4a;
$custom-light: #9ce783;
$custom-dark: #000000;

JSON

{
  "hex": "#66db4a",
  "rgb": {
    "r": 102,
    "g": 219,
    "b": 74
  },
  "hsl": {
    "h": 108.414,
    "s": 66.82,
    "l": 57.451
  },
  "oklch": {
    "l": 0.79451,
    "c": 0.21147,
    "h": 140.1
  },
  "luminance": 0.53982
}

Semantic roles & 50–950 ramp

primary

#66DB4A

secondary

#813694

accent

#3EEAC9

background

#FCFEFB

surface

#F6FDF2

border

#D0D5CC

text

#0F160B

muted

#80847E

Preview Lab

Preview with #66DB4A

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

Preview Lab → · Contrast checker → · Palette generator →