#66DC4F#66DC4F

#66DC4F is a light, highly saturated green. Relative luminance 0.546; OKLCH L 79.7% C 0.209 H 140.6°. Best body text is #000000 at 11.92:1 contrast (WCAG AA passes).

Color values

HEX#66DC4F
RGBrgb(102, 220, 79)
HSLhsl(110, 67%, 59%)
HSVhsv(110, 64%, 86%)
CMYKcmyk(53.6%, 0%, 64.1%, 13.7%)
CIE-LABlab(78.79, -59.02, 57.42)
CIE-LCHlch(78.79, 82.35, 135.79°)
OKLaboklab(79.75% -0.1616 0.1328)
OKLCHoklch(79.75% 0.209 140.6)
XYZxyz(32.4825, 54.5730, 16.2176)
Luminance0.5458 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66DC4F #C54FDC
analogous
#ACDC4F #66DC4F #4FDC7E
triadic
#66DC4F #4F66DC #DC4F66
tetradic
#66DC4F #4FACDC #C54FDC #DC7E4F
square
#66DC4F #4FACDC #C54FDC #DC7E4F
split-complementary
#66DC4F #7E4FDC #DC4FAC
monochromatic
#31931D #41C627 #66DC4F #92E682 #BFF0B5

Accessibility & contrast

On white

1.76
#66DC4F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.92
#66DC4F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DC4F
11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66DC4F#FFFFFF#000000##000000
##66DC4F1.001.7611.9211.92
#FFFFFF1.761.0021.0021.00
#00000011.9221.001.001.00
##00000011.9221.001.001.00

Color blindness preview

Protanopia (red-blind)
#E2C93D
Deuteranopia (green-blind)
#D2BF5B
Tritanopia (blue-blind)
#58D5BF
Achromatopsia (no color)
#C3C3C3

Design tokens & code

CSS
--color: #66dc4f;
/* rgb */ color: rgb(102, 220, 79);
/* oklch */ color: oklch(79.7% 0.209 140.6);
Tailwind
colors: {
  custom: {
    50: '#9ce886',
    500: '#66dc4f',
    950: '#000000',
  },
}
SCSS
$custom: #66dc4f;
$custom-light: #9ce886;
$custom-dark: #000000;
JSON
{
  "hex": "#66dc4f",
  "rgb": {
    "r": 102,
    "g": 220,
    "b": 79
  },
  "hsl": {
    "h": 110.213,
    "s": 66.825,
    "l": 58.627
  },
  "oklch": {
    "l": 0.79749,
    "c": 0.20918,
    "h": 140.6
  },
  "luminance": 0.54576
}

Semantic roles & 50–950 ramp

primary
#66DC4F
secondary
#883798
accent
#3EEACE
background
#FCFEFC
surface
#F6FDF3
border
#D0D5CD
text
#0F160C
muted
#80847F

Preview Lab

Preview with #66DC4F

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

Preview Lab → · Contrast checker → · Palette generator →

#66DC4F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva