#66EFAA#66EFAA

#66EFAA is a very light, vivid green. Relative luminance 0.675; OKLCH L 85.9% C 0.155 H 158.5°. Best body text is #000000 at 14.49:1 contrast (WCAG AA passes).

Color values

HEX#66EFAA
RGBrgb(102, 239, 170)
HSLhsl(150, 81%, 67%)
HSVhsv(150, 57%, 94%)
CMYKcmyk(57.3%, 0%, 28.9%, 6.3%)
CIE-LABlab(85.73, -52.90, 22.40)
CIE-LCHlch(85.73, 57.45, 157.05°)
OKLaboklab(85.85% -0.1446 0.0569)
OKLCHoklch(85.85% 0.155 158.5)
XYZxyz(43.5979, 67.4559, 48.7451)
Luminance0.6746 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66EFAA #EF66AB
analogous
#67EF66 #66EFAA #66EFEF
triadic
#66EFAA #AA66EF #EFAA66
tetradic
#66EFAA #6667EF #EF66AB #EFEF66
square
#66EFAA #6667EF #EF66AB #EFEF66
split-complementary
#66EFAA #EF66EF #EF6667
monochromatic
#15C66D #2FE98B #66EFAA #9DF5C9 #D5FBE8

Accessibility & contrast

On white

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

On black

14.49
#66EFAA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EFAA
14.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66EFAA#FFFFFF#000000##000000
##66EFAA1.001.4514.4914.49
#FFFFFF1.451.0021.0021.00
#00000014.4921.001.001.00
##00000014.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#EDDEA6
Deuteranopia (green-blind)
#DAD1AE
Tritanopia (blue-blind)
#2FEEDD
Achromatopsia (no color)
#D6D6D6

Design tokens & code

CSS
--color: #66efaa;
/* rgb */ color: rgb(102, 239, 170);
/* oklch */ color: oklch(85.9% 0.155 158.5);
Tailwind
colors: {
  custom: {
    50: '#9cf5c3',
    500: '#66efaa',
    950: '#000000',
  },
}
SCSS
$custom: #66efaa;
$custom-light: #9cf5c3;
$custom-dark: #000000;
JSON
{
  "hex": "#66efaa",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 170
  },
  "hsl": {
    "h": 149.781,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.85854,
    "c": 0.15537,
    "h": 158.5
  },
  "luminance": 0.6746
}

Semantic roles & 50–950 ramp

primary
#66EFAA
secondary
#C3367D
accent
#0874DD
background
#FCFFFD
surface
#F6FEF9
border
#D0D6D2
text
#0F1712
muted
#808582

Preview Lab

Preview with #66EFAA

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

Preview Lab → · Contrast checker → · Palette generator →

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