#66E9CA#66E9CA

#66E9CA is a very light, vivid teal. Relative luminance 0.654; OKLCH L 85.2% C 0.124 H 175.1°. Best body text is #000000 at 14.07:1 contrast (WCAG AA passes).

Color values

HEX#66E9CA
RGBrgb(102, 233, 202)
HSLhsl(166, 75%, 66%)
HSVhsv(166, 56%, 91%)
CMYKcmyk(56.2%, 0%, 13.3%, 8.6%)
CIE-LABlab(84.67, -43.44, 4.23)
CIE-LCHlch(84.67, 43.64, 174.44°)
OKLaboklab(85.22% -0.124 0.0105)
OKLCHoklch(85.22% 0.124 175.1)
XYZxyz(45.2742, 65.3625, 66.0960)
Luminance0.6537 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66E9CA #E96685
analogous
#66E989 #66E9CA #66C6E9
triadic
#66E9CA #CA66E9 #E9CA66
tetradic
#66E9CA #8966E9 #E96685 #C6E966
square
#66E9CA #8966E9 #E96685 #C6E966
split-complementary
#66E9CA #E966C6 #E98966
monochromatic
#1BBA94 #30E1B7 #66E9CA #9CF1DD #D1F8EF

Accessibility & contrast

On white

1.49
#66E9CA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.07
#66E9CA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E9CA
14.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66E9CA#FFFFFF#000000##000000
##66E9CA1.001.4914.0714.07
#FFFFFF1.491.0021.0021.00
#00000014.0721.001.001.00
##00000014.0721.001.001.00

Color blindness preview

Protanopia (red-blind)
#E2DCC9
Deuteranopia (green-blind)
#CECDCC
Tritanopia (blue-blind)
#00ECE0
Achromatopsia (no color)
#D3D3D3

Design tokens & code

CSS
--color: #66e9ca;
/* rgb */ color: rgb(102, 233, 202);
/* oklch */ color: oklch(85.2% 0.124 175.1);
Tailwind
colors: {
  custom: {
    50: '#9cf0da',
    500: '#66e9ca',
    950: '#000000',
  },
}
SCSS
$custom: #66e9ca;
$custom-light: #9cf0da;
$custom-dark: #000000;
JSON
{
  "hex": "#66e9ca",
  "rgb": {
    "r": 102,
    "g": 233,
    "b": 202
  },
  "hsl": {
    "h": 165.802,
    "s": 74.857,
    "l": 65.686
  },
  "oklch": {
    "l": 0.85215,
    "c": 0.12447,
    "h": 175.1
  },
  "luminance": 0.65367
}

Semantic roles & 50–950 ramp

primary
#66E9CA
secondary
#B93A58
accent
#0E3ED7
background
#FCFFFE
surface
#F6FEFB
border
#D0D6D4
text
#0F1714
muted
#808583

Preview Lab

Preview with #66E9CA

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

Preview Lab → · Contrast checker → · Palette generator →

#66E9CA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva