#66EBF4#66EBF4

#66EBF4 is a very light, moderate teal. Relative luminance 0.688; OKLCH L 87.0% C 0.116 H 201.4°. Best body text is #000000 at 14.75:1 contrast (WCAG AA passes).

Color values

HEX#66EBF4
RGBrgb(102, 235, 244)
HSLhsl(184, 87%, 68%)
HSVhsv(184, 58%, 96%)
CMYKcmyk(58.2%, 3.7%, 0%, 4.3%)
CIE-LABlab(86.39, -33.68, -15.33)
CIE-LCHlch(86.39, 37.01, 204.48°)
OKLaboklab(86.99% -0.1083 -0.0424)
OKLCHoklch(86.99% 0.116 201.4)
XYZxyz(51.5101, 68.7678, 96.1293)
Luminance0.6877 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66EBF4 #F46F66
analogous
#66F4B6 #66EBF4 #66A4F4
triadic
#66EBF4 #F466EB #EBF466
tetradic
#66EBF4 #B666F4 #F46F66 #A4F466
square
#66EBF4 #B666F4 #F46F66 #A4F466
split-complementary
#66EBF4 #F466A4 #F4B666
monochromatic
#0FC4D1 #2DE4F0 #66EBF4 #9FF2F8 #D8FAFC

Accessibility & contrast

On white

1.42
#66EBF4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.75
#66EBF4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EBF4
14.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66EBF4#FFFFFF#000000##000000
##66EBF41.001.4214.7514.75
#FFFFFF1.421.0021.0021.00
#00000014.7521.001.001.00
##00000014.7521.001.001.00

Color blindness preview

Protanopia (red-blind)
#DBE2F5
Deuteranopia (green-blind)
#C5D1F5
Tritanopia (blue-blind)
#00F3ED
Achromatopsia (no color)
#D8D8D8

Design tokens & code

CSS
--color: #66ebf4;
/* rgb */ color: rgb(102, 235, 244);
/* oklch */ color: oklch(87.0% 0.116 201.4);
Tailwind
colors: {
  custom: {
    50: '#9ff2f7',
    500: '#66ebf4',
    950: '#000000',
  },
}
SCSS
$custom: #66ebf4;
$custom-light: #9ff2f7;
$custom-dark: #000000;
JSON
{
  "hex": "#66ebf4",
  "rgb": {
    "r": 102,
    "g": 235,
    "b": 244
  },
  "hsl": {
    "h": 183.803,
    "s": 86.585,
    "l": 67.843
  },
  "oklch": {
    "l": 0.86986,
    "c": 0.11634,
    "h": 201.4
  },
  "luminance": 0.68773
}

Semantic roles & 50–950 ramp

primary
#66EBF4
secondary
#CC3C32
accent
#1102E3
background
#FDFFFF
surface
#F7FEFE
border
#D0D6D6
text
#101717
muted
#818585

Preview Lab

Preview with #66EBF4

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

Preview Lab → · Contrast checker → · Palette generator →

#66EBF4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva