#66F09F#66F09F

#66F09F is a very light, vivid green. Relative luminance 0.676; OKLCH L 85.9% C 0.166 H 154.8°. Best body text is #000000 at 14.53:1 contrast (WCAG AA passes).

Color values

HEX#66F09F
RGBrgb(102, 240, 159)
HSLhsl(145, 82%, 67%)
HSVhsv(145, 58%, 94%)
CMYKcmyk(57.5%, 0%, 33.8%, 5.9%)
CIE-LABlab(85.83, -55.39, 28.16)
CIE-LCHlch(85.83, 62.14, 153.05°)
OKLaboklab(85.87% -0.1505 0.0709)
OKLCHoklch(85.87% 0.166 154.8)
XYZxyz(42.8941, 67.6441, 43.5903)
Luminance0.6765 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F09F #F066B7
analogous
#72F066 #66F09F #66F0E4
triadic
#66F09F #9F66F0 #F09F66
tetradic
#66F09F #6672F0 #F066B7 #F0E466
square
#66F09F #6672F0 #F066B7 #F0E466
split-complementary
#66F09F #E466F0 #F06672
monochromatic
#14C85E #2EEB7C #66F09F #9EF5C2 #D5FBE5

Accessibility & contrast

On white

1.45
#66F09F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.53
#66F09F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F09F
14.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F09F#FFFFFF#000000##000000
##66F09F1.001.4514.5314.53
#FFFFFF1.451.0021.0021.00
#00000014.5321.001.001.00
##00000014.5321.001.001.00

Color blindness preview

Protanopia (red-blind)
#EFDF9A
Deuteranopia (green-blind)
#DDD1A4
Tritanopia (blue-blind)
#37EEDB
Achromatopsia (no color)
#D7D7D7

Design tokens & code

CSS
--color: #66f09f;
/* rgb */ color: rgb(102, 240, 159);
/* oklch */ color: oklch(85.9% 0.166 154.8);
Tailwind
colors: {
  custom: {
    50: '#9df6bc',
    500: '#66f09f',
    950: '#000000',
  },
}
SCSS
$custom: #66f09f;
$custom-light: #9df6bc;
$custom-dark: #000000;
JSON
{
  "hex": "#66f09f",
  "rgb": {
    "r": 102,
    "g": 240,
    "b": 159
  },
  "hsl": {
    "h": 144.783,
    "s": 82.143,
    "l": 67.059
  },
  "oklch": {
    "l": 0.85865,
    "c": 0.16634,
    "h": 154.8
  },
  "luminance": 0.67648
}

Semantic roles & 50–950 ramp

primary
#66F09F
secondary
#C5358A
accent
#0785DF
background
#FCFFFD
surface
#F6FFF8
border
#D0D7D1
text
#0F1712
muted
#808582

Preview Lab

Preview with #66F09F

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

Preview Lab → · Contrast checker → · Palette generator →

#66F09F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva