#66DB4B#66DB4B

#66DB4B 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#66DB4B
RGBrgb(102, 219, 75)
HSLhsl(109, 67%, 58%)
HSVhsv(109, 66%, 86%)
CMYKcmyk(53.4%, 0%, 65.8%, 14.1%)
CIE-LABlab(78.46, -59.02, 58.68)
CIE-LCHlch(78.46, 83.23, 135.16°)
OKLaboklab(79.46% -0.1618 0.1351)
OKLCHoklch(79.46% 0.211 140.1)
XYZxyz(32.0796, 53.9932, 15.3865)
Luminance0.5400 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66DB4B #C04BDB
analogous
#AEDB4B #66DB4B #4BDB78
triadic
#66DB4B #4B66DB #DB4B66
tetradic
#66DB4B #4BAEDB #C04BDB #DB784B
square
#66DB4B #4BAEDB #C04BDB #DB784B
split-complementary
#66DB4B #784BDB #DB4BAE
monochromatic
#328F1D #44C227 #66DB4B #91E57E #BDEFB1

Accessibility & contrast

On white

1.78
#66DB4B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.80
#66DB4B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DB4B
11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66DB4B#FFFFFF#000000##000000
##66DB4B1.001.7811.8011.80
#FFFFFF1.781.0021.0021.00
#00000011.8021.001.001.00
##00000011.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#E1C838
Deuteranopia (green-blind)
#D2BE58
Tritanopia (blue-blind)
#59D4BD
Achromatopsia (no color)
#C2C2C2

Design tokens & code

CSS
--color: #66db4b;
/* rgb */ color: rgb(102, 219, 75);
/* oklch */ color: oklch(79.5% 0.211 140.1);
Tailwind
colors: {
  custom: {
    50: '#9ce784',
    500: '#66db4b',
    950: '#000000',
  },
}
SCSS
$custom: #66db4b;
$custom-light: #9ce784;
$custom-dark: #000000;
JSON
{
  "hex": "#66db4b",
  "rgb": {
    "r": 102,
    "g": 219,
    "b": 75
  },
  "hsl": {
    "h": 108.75,
    "s": 66.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.79461,
    "c": 0.21078,
    "h": 140.1
  },
  "luminance": 0.53996
}

Semantic roles & 50–950 ramp

primary
#66DB4B
secondary
#833694
accent
#3EEAC9
background
#FCFEFB
surface
#F6FDF2
border
#D0D5CC
text
#0F160B
muted
#80847E

Preview Lab

Preview with #66DB4B

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

Preview Lab → · Contrast checker → · Palette generator →

#66DB4B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva