#66EEF9#66EEF9

#66EEF9 is a very light, moderate teal. Relative luminance 0.708; OKLCH L 87.8% C 0.118 H 202.6°. Best body text is #000000 at 15.16:1 contrast (WCAG AA passes).

Color values

HEX#66EEF9
RGBrgb(102, 238, 249)
HSLhsl(184, 92%, 69%)
HSVhsv(184, 59%, 98%)
CMYKcmyk(59%, 4.4%, 0%, 2.4%)
CIE-LABlab(87.39, -33.73, -16.45)
CIE-LCHlch(87.39, 37.53, 206.00°)
OKLaboklab(87.85% -0.1094 -0.0455)
OKLCHoklch(87.85% 0.118 202.6)
XYZxyz(53.1457, 70.8079, 100.4706)
Luminance0.7081 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66EEF9 #F97166
analogous
#66F9BB #66EEF9 #66A5F9
triadic
#66EEF9 #F966EE #EEF966
tetradic
#66EEF9 #BB66F9 #F97166 #A5F966
square
#66EEF9 #BB66F9 #F97166 #A5F966
split-complementary
#66EEF9 #F966A5 #F9BB66
monochromatic
#09CCDC #2BE7F7 #66EEF9 #A1F5FB #DCFBFE

Accessibility & contrast

On white

1.38
#66EEF9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.16
#66EEF9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EEF9
15.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66EEF9#FFFFFF#000000##000000
##66EEF91.001.3815.1615.16
#FFFFFF1.381.0021.0021.00
#00000015.1621.001.001.00
##00000015.1621.001.001.00

Color blindness preview

Protanopia (red-blind)
#DDE5FA
Deuteranopia (green-blind)
#C7D4FA
Tritanopia (blue-blind)
#00F6F1
Achromatopsia (no color)
#DBDBDB

Design tokens & code

CSS
--color: #66eef9;
/* rgb */ color: rgb(102, 238, 249);
/* oklch */ color: oklch(87.8% 0.118 202.6);
Tailwind
colors: {
  custom: {
    50: '#a0f4fb',
    500: '#66eef9',
    950: '#000000',
  },
}
SCSS
$custom: #66eef9;
$custom-light: #a0f4fb;
$custom-dark: #000000;
JSON
{
  "hex": "#66eef9",
  "rgb": {
    "r": 102,
    "g": 238,
    "b": 249
  },
  "hsl": {
    "h": 184.49,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.87845,
    "c": 0.11848,
    "h": 202.6
  },
  "luminance": 0.70813
}

Semantic roles & 50–950 ramp

primary
#66EEF9
secondary
#D33D30
accent
#1100E6
background
#FDFFFF
surface
#F7FEFF
border
#D0D6D7
text
#101717
muted
#818585

Preview Lab

Preview with #66EEF9

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

Preview Lab → · Contrast checker → · Palette generator →

#66EEF9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva