#66E4E2#66E4E2

#66E4E2 is a very light, moderate teal. Relative luminance 0.638; OKLCH L 84.8% C 0.112 H 193.8°. Best body text is #000000 at 13.76:1 contrast (WCAG AA passes).

Color values

HEX#66E4E2
RGBrgb(102, 228, 226)
HSLhsl(179, 70%, 65%)
HSVhsv(179, 55%, 89%)
CMYKcmyk(55.3%, 0%, 0.9%, 10.6%)
CIE-LABlab(83.86, -35.20, -9.62)
CIE-LCHlch(83.86, 36.49, 195.29°)
OKLaboklab(84.77% -0.1084 -0.0267)
OKLCHoklch(84.77% 0.112 193.8)
XYZxyz(46.9445, 63.7979, 81.7770)
Luminance0.6380 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66E4E2 #E46668
analogous
#66E4A3 #66E4E2 #66A7E4
triadic
#66E4E2 #E266E4 #E4E266
tetradic
#66E4E2 #A366E4 #E46668 #A7E466
square
#66E4E2 #A366E4 #E46668 #A7E466
split-complementary
#66E4E2 #E466A7 #E4A366
monochromatic
#1FB0AE #32DBD8 #66E4E2 #9AEDEC #CEF6F6

Accessibility & contrast

On white

1.53
#66E4E2 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.76
#66E4E2 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E4E2
13.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66E4E2#FFFFFF#000000##000000
##66E4E21.001.5313.7613.76
#FFFFFF1.531.0021.0021.00
#00000013.7621.001.001.00
##00000013.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#D7DAE2
Deuteranopia (green-blind)
#C3CBE3
Tritanopia (blue-blind)
#00EAE3
Achromatopsia (no color)
#D1D1D1

Design tokens & code

CSS
--color: #66e4e2;
/* rgb */ color: rgb(102, 228, 226);
/* oklch */ color: oklch(84.8% 0.112 193.8);
Tailwind
colors: {
  custom: {
    50: '#9dedeb',
    500: '#66e4e2',
    950: '#000000',
  },
}
SCSS
$custom: #66e4e2;
$custom-light: #9dedeb;
$custom-dark: #000000;
JSON
{
  "hex": "#66e4e2",
  "rgb": {
    "r": 102,
    "g": 228,
    "b": 226
  },
  "hsl": {
    "h": 179.048,
    "s": 70,
    "l": 64.706
  },
  "oklch": {
    "l": 0.84769,
    "c": 0.11168,
    "h": 193.8
  },
  "luminance": 0.63803
}

Semantic roles & 50–950 ramp

primary
#66E4E2
secondary
#B13D3F
accent
#1417D2
background
#FCFFFE
surface
#F6FEFD
border
#D0D6D5
text
#0F1616
muted
#808584

Preview Lab

Preview with #66E4E2

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

Preview Lab → · Contrast checker → · Palette generator →

#66E4E2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva