#66EFB4#66EFB4

#66EFB4 is a very light, vivid teal. Relative luminance 0.679; OKLCH L 86.1% C 0.147 H 162.3°. Best body text is #000000 at 14.57:1 contrast (WCAG AA passes).

Color values

HEX#66EFB4
RGBrgb(102, 239, 180)
HSLhsl(154, 81%, 67%)
HSVhsv(154, 57%, 94%)
CMYKcmyk(57.3%, 0%, 24.7%, 6.3%)
CIE-LABlab(85.93, -50.88, 17.51)
CIE-LCHlch(85.93, 53.81, 161.00°)
OKLaboklab(86.08% -0.1401 0.0448)
OKLCHoklch(86.08% 0.147 162.3)
XYZxyz(44.5800, 67.8488, 53.9180)
Luminance0.6785 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66EFB4 #EF66A1
analogous
#66EF70 #66EFB4 #66E5EF
triadic
#66EFB4 #B466EF #EFB466
tetradic
#66EFB4 #7066EF #EF66A1 #E5EF66
square
#66EFB4 #7066EF #EF66A1 #E5EF66
split-complementary
#66EFB4 #EF66E5 #EF7066
monochromatic
#15C67A #2FE999 #66EFB4 #9DF5CF #D5FBEA

Accessibility & contrast

On white

1.44
#66EFB4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.57
#66EFB4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EFB4
14.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66EFB4#FFFFFF#000000##000000
##66EFB41.001.4414.5714.57
#FFFFFF1.441.0021.0021.00
#00000014.5721.001.001.00
##00000014.5721.001.001.00

Color blindness preview

Protanopia (red-blind)
#ECDFB1
Deuteranopia (green-blind)
#D8D1B8
Tritanopia (blue-blind)
#26EFDF
Achromatopsia (no color)
#D7D7D7

Design tokens & code

CSS
--color: #66efb4;
/* rgb */ color: rgb(102, 239, 180);
/* oklch */ color: oklch(86.1% 0.147 162.3);
Tailwind
colors: {
  custom: {
    50: '#9df5ca',
    500: '#66efb4',
    950: '#000000',
  },
}
SCSS
$custom: #66efb4;
$custom-light: #9df5ca;
$custom-dark: #000000;
JSON
{
  "hex": "#66efb4",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 180
  },
  "hsl": {
    "h": 154.161,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.8608,
    "c": 0.14708,
    "h": 162.3
  },
  "luminance": 0.67853
}

Semantic roles & 50–950 ramp

primary
#66EFB4
secondary
#C33673
accent
#0864DD
background
#FCFFFD
surface
#F6FEF9
border
#D0D6D2
text
#0F1713
muted
#808582

Preview Lab

Preview with #66EFB4

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

Preview Lab → · Contrast checker → · Palette generator →

#66EFB4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva