#66EBF9#66EBF9

#66EBF9 is a very light, moderate teal. Relative luminance 0.691; OKLCH L 87.2% C 0.117 H 204.8°. Best body text is #000000 at 14.82:1 contrast (WCAG AA passes).

Color values

HEX#66EBF9
RGBrgb(102, 235, 249)
HSLhsl(186, 92%, 69%)
HSVhsv(186, 59%, 98%)
CMYKcmyk(59%, 5.6%, 0%, 2.4%)
CIE-LABlab(86.54, -32.32, -17.73)
CIE-LCHlch(86.54, 36.86, 208.75°)
OKLaboklab(87.16% -0.1063 -0.0491)
OKLCHoklch(87.16% 0.117 204.8)
XYZxyz(52.2795, 69.0756, 100.1819)
Luminance0.6908 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66EBF9 #F97466
analogous
#66F9BE #66EBF9 #66A2F9
triadic
#66EBF9 #F966EB #EBF966
tetradic
#66EBF9 #BE66F9 #F97466 #A2F966
square
#66EBF9 #BE66F9 #F97466 #A2F966
split-complementary
#66EBF9 #F966A2 #F9BE66
monochromatic
#09C8DC #2BE3F7 #66EBF9 #A1F3FB #DCFAFE

Accessibility & contrast

On white

1.42
#66EBF9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.82
#66EBF9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EBF9
14.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66EBF9#FFFFFF#000000##000000
##66EBF91.001.4214.8214.82
#FFFFFF1.421.0021.0021.00
#00000014.8221.001.001.00
##00000014.8221.001.001.00

Color blindness preview

Protanopia (red-blind)
#DAE2FA
Deuteranopia (green-blind)
#C3D1FA
Tritanopia (blue-blind)
#00F4EF
Achromatopsia (no color)
#D9D9D9

Design tokens & code

CSS
--color: #66ebf9;
/* rgb */ color: rgb(102, 235, 249);
/* oklch */ color: oklch(87.2% 0.117 204.8);
Tailwind
colors: {
  custom: {
    50: '#9ff1fb',
    500: '#66ebf9',
    950: '#000000',
  },
}
SCSS
$custom: #66ebf9;
$custom-light: #9ff1fb;
$custom-dark: #000000;
JSON
{
  "hex": "#66ebf9",
  "rgb": {
    "r": 102,
    "g": 235,
    "b": 249
  },
  "hsl": {
    "h": 185.714,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.8716,
    "c": 0.11711,
    "h": 204.8
  },
  "luminance": 0.69081
}

Semantic roles & 50–950 ramp

primary
#66EBF9
secondary
#D34030
accent
#1600E6
background
#FDFFFF
surface
#F7FEFF
border
#D0D6D7
text
#101717
muted
#818585

Preview Lab

Preview with #66EBF9

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

Preview Lab → · Contrast checker → · Palette generator →

#66EBF9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva