#66EFB2#66EFB2

#66EFB2 is a very light, vivid teal. Relative luminance 0.678; OKLCH L 86.0% C 0.149 H 161.5°. Best body text is #000000 at 14.55:1 contrast (WCAG AA passes).

Color values

HEX#66EFB2
RGBrgb(102, 239, 178)
HSLhsl(153, 81%, 67%)
HSVhsv(153, 57%, 94%)
CMYKcmyk(57.3%, 0%, 25.5%, 6.3%)
CIE-LABlab(85.89, -51.29, 18.49)
CIE-LCHlch(85.89, 54.52, 160.17°)
OKLaboklab(86.03% -0.141 0.0472)
OKLCHoklch(86.03% 0.149 161.5)
XYZxyz(44.3778, 67.7679, 52.8527)
Luminance0.6777 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66EFB2 #EF66A3
analogous
#66EF6E #66EFB2 #66E7EF
triadic
#66EFB2 #B266EF #EFB266
tetradic
#66EFB2 #6E66EF #EF66A3 #E7EF66
square
#66EFB2 #6E66EF #EF66A3 #E7EF66
split-complementary
#66EFB2 #EF66E7 #EF6E66
monochromatic
#15C677 #2FE996 #66EFB2 #9DF5CE #D5FBEA

Accessibility & contrast

On white

1.44
#66EFB2 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.55
#66EFB2 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EFB2
14.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66EFB2#FFFFFF#000000##000000
##66EFB21.001.4414.5514.55
#FFFFFF1.441.0021.0021.00
#00000014.5521.001.001.00
##00000014.5521.001.001.00

Color blindness preview

Protanopia (red-blind)
#ECDFAF
Deuteranopia (green-blind)
#D8D1B6
Tritanopia (blue-blind)
#28EEDE
Achromatopsia (no color)
#D7D7D7

Design tokens & code

CSS
--color: #66efb2;
/* rgb */ color: rgb(102, 239, 178);
/* oklch */ color: oklch(86.0% 0.149 161.5);
Tailwind
colors: {
  custom: {
    50: '#9df5c9',
    500: '#66efb2',
    950: '#000000',
  },
}
SCSS
$custom: #66efb2;
$custom-light: #9df5c9;
$custom-dark: #000000;
JSON
{
  "hex": "#66efb2",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 178
  },
  "hsl": {
    "h": 153.285,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.86033,
    "c": 0.14869,
    "h": 161.5
  },
  "luminance": 0.67772
}

Semantic roles & 50–950 ramp

primary
#66EFB2
secondary
#C33675
accent
#0867DD
background
#FCFFFD
surface
#F6FEF9
border
#D0D6D2
text
#0F1713
muted
#808582

Preview Lab

Preview with #66EFB2

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

Preview Lab → · Contrast checker → · Palette generator →

#66EFB2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva