#66E2F3#66E2F3

#66E2F3 is a very light, moderate teal. Relative luminance 0.637; OKLCH L 84.9% C 0.112 H 207.5°. Best body text is #000000 at 13.74:1 contrast (WCAG AA passes).

Color values

HEX#66E2F3
RGBrgb(102, 226, 243)
HSLhsl(187, 85%, 68%)
HSVhsv(187, 58%, 95%)
CMYKcmyk(58%, 7%, 0%, 4.7%)
CIE-LABlab(83.80, -29.68, -18.70)
CIE-LCHlch(83.80, 35.08, 212.22°)
OKLaboklab(84.89% -0.0995 -0.0518)
OKLCHoklch(84.89% 0.112 207.5)
XYZxyz(48.8468, 63.6837, 94.4946)
Luminance0.6369 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66E2F3 #F37766
analogous
#66F3BD #66E2F3 #669BF3
triadic
#66E2F3 #F366E2 #E2F366
tetradic
#66E2F3 #BD66F3 #F37766 #9BF366
square
#66E2F3 #BD66F3 #F37766 #9BF366
split-complementary
#66E2F3 #F3669B #F3BD66
monochromatic
#10B7CE #2DD7EF #66E2F3 #9FEDF7 #D7F8FC

Accessibility & contrast

On white

1.53
#66E2F3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.74
#66E2F3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E2F3
13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66E2F3#FFFFFF#000000##000000
##66E2F31.001.5313.7413.74
#FFFFFF1.531.0021.0021.00
#00000013.7421.001.001.00
##00000013.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#D1DAF4
Deuteranopia (green-blind)
#BBCAF3
Tritanopia (blue-blind)
#00EBE7
Achromatopsia (no color)
#D1D1D1

Design tokens & code

CSS
--color: #66e2f3;
/* rgb */ color: rgb(102, 226, 243);
/* oklch */ color: oklch(84.9% 0.112 207.5);
Tailwind
colors: {
  custom: {
    50: '#9eebf7',
    500: '#66e2f3',
    950: '#000000',
  },
}
SCSS
$custom: #66e2f3;
$custom-light: #9eebf7;
$custom-dark: #000000;
JSON
{
  "hex": "#66e2f3",
  "rgb": {
    "r": 102,
    "g": 226,
    "b": 243
  },
  "hsl": {
    "h": 187.234,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.84891,
    "c": 0.11213,
    "h": 207.5
  },
  "luminance": 0.63689
}

Semantic roles & 50–950 ramp

primary
#66E2F3
secondary
#CA4533
accent
#1E04E2
background
#FCFEFF
surface
#F6FDFE
border
#D0D5D6
text
#101617
muted
#808485

Preview Lab

Preview with #66E2F3

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

Preview Lab → · Contrast checker → · Palette generator →

#66E2F3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva