#66F36F#66F36F

#66F36F is a very light, highly saturated green. Relative luminance 0.681; OKLCH L 85.8% C 0.213 H 144.5°. Best body text is #000000 at 14.61:1 contrast (WCAG AA passes).

Color values

HEX#66F36F
RGBrgb(102, 243, 111)
HSLhsl(124, 85%, 68%)
HSVhsv(124, 58%, 95%)
CMYKcmyk(58%, 0%, 54.3%, 4.7%)
CIE-LABlab(86.04, -63.90, 51.78)
CIE-LCHlch(86.04, 82.25, 140.98°)
OKLaboklab(85.82% -0.1733 0.1235)
OKLCHoklch(85.82% 0.213 144.5)
XYZxyz(40.3969, 68.0699, 26.0458)
Luminance0.6807 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F36F #F366EA
analogous
#A3F366 #66F36F #66F3B6
triadic
#66F36F #6F66F3 #F36F66
tetradic
#66F36F #66A3F3 #F366EA #F3B666
square
#66F36F #66A3F3 #F366EA #F3B666
split-complementary
#66F36F #B666F3 #F366A3
monochromatic
#10CE1C #2DEF3A #66F36F #9FF7A4 #D7FCDA

Accessibility & contrast

On white

1.44
#66F36F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.61
#66F36F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F36F
14.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F36F#FFFFFF#000000##000000
##66F36F1.001.4414.6114.61
#FFFFFF1.441.0021.0021.00
#00000014.6121.001.001.00
##00000014.6121.001.001.00

Color blindness preview

Protanopia (red-blind)
#F7DF63
Deuteranopia (green-blind)
#E5D279
Tritanopia (blue-blind)
#4BEDD5
Achromatopsia (no color)
#D7D7D7

Design tokens & code

CSS
--color: #66f36f;
/* rgb */ color: rgb(102, 243, 111);
/* oklch */ color: oklch(85.8% 0.213 144.5);
Tailwind
colors: {
  custom: {
    50: '#9ef89b',
    500: '#66f36f',
    950: '#000000',
  },
}
SCSS
$custom: #66f36f;
$custom-light: #9ef89b;
$custom-dark: #000000;
JSON
{
  "hex": "#66f36f",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 111
  },
  "hsl": {
    "h": 123.83,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.85819,
    "c": 0.21276,
    "h": 144.5
  },
  "luminance": 0.68074
}

Semantic roles & 50–950 ramp

primary
#66F36F
secondary
#CA33C1
accent
#04D4E2
background
#FCFFFC
surface
#F6FFF5
border
#D0D7CF
text
#10170E
muted
#80857F

Preview Lab

Preview with #66F36F

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

Preview Lab → · Contrast checker → · Palette generator →

#66F36F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva