#66ECF5#66ECF5

#66ECF5 is a very light, moderate teal. Relative luminance 0.694; OKLCH L 87.2% C 0.117 H 201.3°. Best body text is #000000 at 14.88:1 contrast (WCAG AA passes).

Color values

HEX#66ECF5
RGBrgb(102, 236, 245)
HSLhsl(184, 88%, 68%)
HSVhsv(184, 58%, 96%)
CMYKcmyk(58.4%, 3.7%, 0%, 3.9%)
CIE-LABlab(86.70, -33.88, -15.39)
CIE-LCHlch(86.70, 37.21, 204.42°)
OKLaboklab(87.25% -0.1089 -0.0426)
OKLCHoklch(87.25% 0.117 201.3)
XYZxyz(51.9494, 69.4029, 97.0268)
Luminance0.6941 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66ECF5 #F56F66
analogous
#66F5B6 #66ECF5 #66A4F5
triadic
#66ECF5 #F566EC #ECF566
tetradic
#66ECF5 #B666F5 #F56F66 #A4F566
square
#66ECF5 #B666F5 #F56F66 #A4F566
split-complementary
#66ECF5 #F566A4 #F5B666
monochromatic
#0EC6D3 #2DE5F1 #66ECF5 #9FF3F9 #D9FAFD

Accessibility & contrast

On white

1.41
#66ECF5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.88
#66ECF5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ECF5
14.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66ECF5#FFFFFF#000000##000000
##66ECF51.001.4114.8814.88
#FFFFFF1.411.0021.0021.00
#00000014.8821.001.001.00
##00000014.8821.001.001.00

Color blindness preview

Protanopia (red-blind)
#DCE3F6
Deuteranopia (green-blind)
#C6D2F6
Tritanopia (blue-blind)
#00F4EE
Achromatopsia (no color)
#D9D9D9

Design tokens & code

CSS
--color: #66ecf5;
/* rgb */ color: rgb(102, 236, 245);
/* oklch */ color: oklch(87.2% 0.117 201.3);
Tailwind
colors: {
  custom: {
    50: '#9ff2f8',
    500: '#66ecf5',
    950: '#000000',
  },
}
SCSS
$custom: #66ecf5;
$custom-light: #9ff2f8;
$custom-dark: #000000;
JSON
{
  "hex": "#66ecf5",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 245
  },
  "hsl": {
    "h": 183.776,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.87249,
    "c": 0.11698,
    "h": 201.3
  },
  "luminance": 0.69408
}

Semantic roles & 50–950 ramp

primary
#66ECF5
secondary
#CE3B31
accent
#0F01E4
background
#FDFFFF
surface
#F7FEFF
border
#D0D6D7
text
#101717
muted
#818585

Preview Lab

Preview with #66ECF5

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

Preview Lab → · Contrast checker → · Palette generator →

#66ECF5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva