#66DB4F#66DB4F

#66DB4F is a light, highly saturated green. Relative luminance 0.541; OKLCH L 79.5% C 0.208 H 140.6°. Best body text is #000000 at 11.81:1 contrast (WCAG AA passes).

Color values

HEX#66DB4F
RGBrgb(102, 219, 79)
HSLhsl(110, 66%, 58%)
HSVhsv(110, 64%, 86%)
CMYKcmyk(53.4%, 0%, 63.9%, 14.1%)
CIE-LABlab(78.49, -58.65, 57.09)
CIE-LCHlch(78.49, 81.85, 135.77°)
OKLaboklab(79.5% -0.1606 0.1321)
OKLCHoklch(79.5% 0.208 140.6)
XYZxyz(32.2209, 54.0497, 16.1303)
Luminance0.5405 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66DB4F #C44FDB
analogous
#ACDB4F #66DB4F #4FDB7E
triadic
#66DB4F #4F66DB #DB4F66
tetradic
#66DB4F #4FACDB #C44FDB #DB7E4F
square
#66DB4F #4FACDB #C44FDB #DB7E4F
split-complementary
#66DB4F #7E4FDB #DB4FAC
monochromatic
#31921E #42C528 #66DB4F #92E582 #BEF0B5

Accessibility & contrast

On white

1.78
#66DB4F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.81
#66DB4F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DB4F
11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66DB4F#FFFFFF#000000##000000
##66DB4F1.001.7811.8111.81
#FFFFFF1.781.0021.0021.00
#00000011.8121.001.001.00
##00000011.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#E1C83E
Deuteranopia (green-blind)
#D1BE5B
Tritanopia (blue-blind)
#58D4BE
Achromatopsia (no color)
#C2C2C2

Design tokens & code

CSS
--color: #66db4f;
/* rgb */ color: rgb(102, 219, 79);
/* oklch */ color: oklch(79.5% 0.208 140.6);
Tailwind
colors: {
  custom: {
    50: '#9ce786',
    500: '#66db4f',
    950: '#000000',
  },
}
SCSS
$custom: #66db4f;
$custom-light: #9ce786;
$custom-dark: #000000;
JSON
{
  "hex": "#66db4f",
  "rgb": {
    "r": 102,
    "g": 219,
    "b": 79
  },
  "hsl": {
    "h": 110.143,
    "s": 66.038,
    "l": 58.431
  },
  "oklch": {
    "l": 0.79498,
    "c": 0.20797,
    "h": 140.6
  },
  "luminance": 0.54052
}

Semantic roles & 50–950 ramp

primary
#66DB4F
secondary
#873797
accent
#3FE9CD
background
#FCFEFC
surface
#F6FDF3
border
#D0D5CD
text
#0F160C
muted
#80847F

Preview Lab

Preview with #66DB4F

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

Preview Lab → · Contrast checker → · Palette generator →

#66DB4F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva