#66F08C#66F08C

#66F08C is a very light, vivid green. Relative luminance 0.670; OKLCH L 85.5% C 0.184 H 149.9°. Best body text is #000000 at 14.41:1 contrast (WCAG AA passes).

Color values

HEX#66F08C
RGBrgb(102, 240, 140)
HSLhsl(137, 82%, 67%)
HSVhsv(137, 58%, 94%)
CMYKcmyk(57.5%, 0%, 41.7%, 5.9%)
CIE-LABlab(85.52, -58.67, 37.30)
CIE-LCHlch(85.52, 69.52, 147.55°)
OKLaboklab(85.51% -0.1587 0.0922)
OKLCHoklch(85.51% 0.184 149.9)
XYZxyz(41.3702, 67.0346, 35.5647)
Luminance0.6704 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F08C #F066CA
analogous
#85F066 #66F08C #66F0D1
triadic
#66F08C #8C66F0 #F08C66
tetradic
#66F08C #6685F0 #F066CA #F0D166
square
#66F08C #6685F0 #F066CA #F0D166
split-complementary
#66F08C #D166F0 #F06685
monochromatic
#14C845 #2EEB62 #66F08C #9EF5B6 #D5FBE0

Accessibility & contrast

On white

1.46
#66F08C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.41
#66F08C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F08C
14.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F08C#FFFFFF#000000##000000
##66F08C1.001.4614.4114.41
#FFFFFF1.461.0021.0021.00
#00000014.4121.001.001.00
##00000014.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#F1DD85
Deuteranopia (green-blind)
#DFD193
Tritanopia (blue-blind)
#41ECD7
Achromatopsia (no color)
#D6D6D6

Design tokens & code

CSS
--color: #66f08c;
/* rgb */ color: rgb(102, 240, 140);
/* oklch */ color: oklch(85.5% 0.184 149.9);
Tailwind
colors: {
  custom: {
    50: '#9df6ae',
    500: '#66f08c',
    950: '#000000',
  },
}
SCSS
$custom: #66f08c;
$custom-light: #9df6ae;
$custom-dark: #000000;
JSON
{
  "hex": "#66f08c",
  "rgb": {
    "r": 102,
    "g": 240,
    "b": 140
  },
  "hsl": {
    "h": 136.522,
    "s": 82.143,
    "l": 67.059
  },
  "oklch": {
    "l": 0.85513,
    "c": 0.18352,
    "h": 149.9
  },
  "luminance": 0.67038
}

Semantic roles & 50–950 ramp

primary
#66F08C
secondary
#C5359D
accent
#07A3DF
background
#FCFFFD
surface
#F6FFF7
border
#D0D7D0
text
#0F1710
muted
#808581

Preview Lab

Preview with #66F08C

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

Preview Lab → · Contrast checker → · Palette generator →

#66F08C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva