#66EF86#66EF86

#66EF86 is a very light, vivid green. Relative luminance 0.663; OKLCH L 85.2% C 0.188 H 148.6°. Best body text is #000000 at 14.26:1 contrast (WCAG AA passes).

Color values

HEX#66EF86
RGBrgb(102, 239, 134)
HSLhsl(134, 81%, 67%)
HSVhsv(134, 57%, 94%)
CMYKcmyk(57.3%, 0%, 43.9%, 6.3%)
CIE-LABlab(85.14, -59.23, 39.76)
CIE-LCHlch(85.14, 71.34, 146.13°)
OKLaboklab(85.17% -0.1602 0.0976)
OKLCHoklch(85.17% 0.188 148.6)
XYZxyz(40.6463, 66.2753, 33.2000)
Luminance0.6628 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66EF86 #EF66CF
analogous
#8BEF66 #66EF86 #66EFCB
triadic
#66EF86 #8666EF #EF8666
tetradic
#66EF86 #668BEF #EF66CF #EFCB66
square
#66EF86 #668BEF #EF66CF #EFCB66
split-complementary
#66EF86 #CB66EF #EF668B
monochromatic
#15C63E #2FE95A #66EF86 #9DF5B2 #D5FBDE

Accessibility & contrast

On white

1.47
#66EF86 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.26
#66EF86 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EF86
14.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66EF86#FFFFFF#000000##000000
##66EF861.001.4714.2614.26
#FFFFFF1.471.0021.0021.00
#00000014.2621.001.001.00
##00000014.2621.001.001.00

Color blindness preview

Protanopia (red-blind)
#F1DC7E
Deuteranopia (green-blind)
#DFD08D
Tritanopia (blue-blind)
#44EBD6
Achromatopsia (no color)
#D5D5D5

Design tokens & code

CSS
--color: #66ef86;
/* rgb */ color: rgb(102, 239, 134);
/* oklch */ color: oklch(85.2% 0.188 148.6);
Tailwind
colors: {
  custom: {
    50: '#9df5aa',
    500: '#66ef86',
    950: '#000000',
  },
}
SCSS
$custom: #66ef86;
$custom-light: #9df5aa;
$custom-dark: #000000;
JSON
{
  "hex": "#66ef86",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 134
  },
  "hsl": {
    "h": 134.015,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.85168,
    "c": 0.18763,
    "h": 148.6
  },
  "luminance": 0.66279
}

Semantic roles & 50–950 ramp

primary
#66EF86
secondary
#C336A2
accent
#08ACDD
background
#FCFFFD
surface
#F6FEF7
border
#D0D6D0
text
#0F1710
muted
#808581

Preview Lab

Preview with #66EF86

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

Preview Lab → · Contrast checker → · Palette generator →

#66EF86 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva