#66ECF1#66ECF1

#66ECF1 is a very light, moderate teal. Relative luminance 0.692; OKLCH L 87.1% C 0.117 H 198.6°. Best body text is #000000 at 14.83:1 contrast (WCAG AA passes).

Color values

HEX#66ECF1
RGBrgb(102, 236, 241)
HSLhsl(182, 83%, 67%)
HSVhsv(182, 58%, 95%)
CMYKcmyk(57.7%, 2.1%, 0%, 5.5%)
CIE-LABlab(86.58, -34.96, -13.46)
CIE-LCHlch(86.58, 37.46, 201.07°)
OKLaboklab(87.11% -0.1106 -0.0373)
OKLCHoklch(87.11% 0.117 198.6)
XYZxyz(51.3454, 69.1613, 93.8456)
Luminance0.6917 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66ECF1 #F16B66
analogous
#66F1B0 #66ECF1 #66A7F1
triadic
#66ECF1 #F166EC #ECF166
tetradic
#66ECF1 #B066F1 #F16B66 #A7F166
square
#66ECF1 #B066F1 #F16B66 #A7F166
split-complementary
#66ECF1 #F166A7 #F1B066
monochromatic
#12C4CA #2EE5EC #66ECF1 #9EF3F6 #D6FAFB

Accessibility & contrast

On white

1.42
#66ECF1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.83
#66ECF1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ECF1
14.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66ECF1#FFFFFF#000000##000000
##66ECF11.001.4214.8314.83
#FFFFFF1.421.0021.0021.00
#00000014.8321.001.001.00
##00000014.8321.001.001.00

Color blindness preview

Protanopia (red-blind)
#DDE2F2
Deuteranopia (green-blind)
#C7D2F2
Tritanopia (blue-blind)
#00F3ED
Achromatopsia (no color)
#D9D9D9

Design tokens & code

CSS
--color: #66ecf1;
/* rgb */ color: rgb(102, 236, 241);
/* oklch */ color: oklch(87.1% 0.117 198.6);
Tailwind
colors: {
  custom: {
    50: '#9ff2f5',
    500: '#66ecf1',
    950: '#000000',
  },
}
SCSS
$custom: #66ecf1;
$custom-light: #9ff2f5;
$custom-dark: #000000;
JSON
{
  "hex": "#66ecf1",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 241
  },
  "hsl": {
    "h": 182.158,
    "s": 83.234,
    "l": 67.255
  },
  "oklch": {
    "l": 0.87114,
    "c": 0.11668,
    "h": 198.6
  },
  "luminance": 0.69167
}

Semantic roles & 50–950 ramp

primary
#66ECF1
secondary
#C73A34
accent
#0E06E0
background
#FDFFFF
surface
#F7FEFE
border
#D0D6D6
text
#101717
muted
#818585

Preview Lab

Preview with #66ECF1

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

Preview Lab → · Contrast checker → · Palette generator →

#66ECF1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva