#66E9C8#66E9C8

#66E9C8 is a very light, vivid teal. Relative luminance 0.653; OKLCH L 85.2% C 0.126 H 174.0°. Best body text is #000000 at 14.05:1 contrast (WCAG AA passes).

Color values

HEX#66E9C8
RGBrgb(102, 233, 200)
HSLhsl(165, 75%, 66%)
HSVhsv(165, 56%, 91%)
CMYKcmyk(56.2%, 0%, 14.2%, 8.6%)
CIE-LABlab(84.62, -43.90, 5.21)
CIE-LCHlch(84.62, 44.21, 173.24°)
OKLaboklab(85.16% -0.1249 0.0131)
OKLCHoklch(85.16% 0.126 174)
XYZxyz(45.0389, 65.2684, 64.8569)
Luminance0.6527 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66E9C8 #E96687
analogous
#66E986 #66E9C8 #66C9E9
triadic
#66E9C8 #C866E9 #E9C866
tetradic
#66E9C8 #8666E9 #E96687 #C9E966
square
#66E9C8 #8666E9 #E96687 #C9E966
split-complementary
#66E9C8 #E966C9 #E98666
monochromatic
#1BBA92 #30E1B5 #66E9C8 #9CF1DB #D1F8EE

Accessibility & contrast

On white

1.49
#66E9C8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.05
#66E9C8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E9C8
14.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66E9C8#FFFFFF#000000##000000
##66E9C81.001.4914.0514.05
#FFFFFF1.491.0021.0021.00
#00000014.0521.001.001.00
##00000014.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#E2DCC6
Deuteranopia (green-blind)
#CECDCA
Tritanopia (blue-blind)
#03EBDF
Achromatopsia (no color)
#D3D3D3

Design tokens & code

CSS
--color: #66e9c8;
/* rgb */ color: rgb(102, 233, 200);
/* oklch */ color: oklch(85.2% 0.126 174.0);
Tailwind
colors: {
  custom: {
    50: '#9cf0d8',
    500: '#66e9c8',
    950: '#000000',
  },
}
SCSS
$custom: #66e9c8;
$custom-light: #9cf0d8;
$custom-dark: #000000;
JSON
{
  "hex": "#66e9c8",
  "rgb": {
    "r": 102,
    "g": 233,
    "b": 200
  },
  "hsl": {
    "h": 164.885,
    "s": 74.857,
    "l": 65.686
  },
  "oklch": {
    "l": 0.8516,
    "c": 0.12559,
    "h": 174
  },
  "luminance": 0.65273
}

Semantic roles & 50–950 ramp

primary
#66E9C8
secondary
#B93A5A
accent
#0E41D7
background
#FCFFFE
surface
#F6FEFB
border
#D0D6D4
text
#0F1714
muted
#808583

Preview Lab

Preview with #66E9C8

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

Preview Lab → · Contrast checker → · Palette generator →

#66E9C8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva