#66F5DC#66F5DC

#66F5DC is a very light, vivid teal. Relative luminance 0.733; OKLCH L 88.5% C 0.129 H 179.7°. Best body text is #000000 at 15.66:1 contrast (WCAG AA passes).

Color values

HEX#66F5DC
RGBrgb(102, 245, 220)
HSLhsl(170, 88%, 68%)
HSVhsv(170, 58%, 96%)
CMYKcmyk(58.4%, 0%, 10.2%, 3.9%)
CIE-LABlab(88.59, -44.39, 0.49)
CIE-LCHlch(88.59, 44.39, 179.37°)
OKLaboklab(88.55% -0.1287 0.0006)
OKLCHoklch(88.55% 0.129 179.7)
XYZxyz(51.0443, 73.2917, 79.1529)
Luminance0.7330 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F5DC #F5667F
analogous
#66F594 #66F5DC #66C7F5
triadic
#66F5DC #DC66F5 #F5DC66
tetradic
#66F5DC #9466F5 #F5667F #C7F566
square
#66F5DC #9466F5 #F5667F #C7F566
split-complementary
#66F5DC #F566C7 #F59466
monochromatic
#0ED3B0 #2DF1CF #66F5DC #9FF9E9 #D9FDF6

Accessibility & contrast

On white

1.34
#66F5DC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.66
#66F5DC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F5DC
15.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F5DC#FFFFFF#000000##000000
##66F5DC1.001.3415.6615.66
#FFFFFF1.341.0021.0021.00
#00000015.6621.001.001.00
##00000015.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#EBE8DB
Deuteranopia (green-blind)
#D6D8DE
Tritanopia (blue-blind)
#00F9ED
Achromatopsia (no color)
#DEDEDE

Design tokens & code

CSS
--color: #66f5dc;
/* rgb */ color: rgb(102, 245, 220);
/* oklch */ color: oklch(88.5% 0.129 179.7);
Tailwind
colors: {
  custom: {
    50: '#9ff9e6',
    500: '#66f5dc',
    950: '#000000',
  },
}
SCSS
$custom: #66f5dc;
$custom-light: #9ff9e6;
$custom-dark: #000000;
JSON
{
  "hex": "#66f5dc",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 220
  },
  "hsl": {
    "h": 169.51,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.88545,
    "c": 0.12866,
    "h": 179.7
  },
  "luminance": 0.73297
}

Semantic roles & 50–950 ramp

primary
#66F5DC
secondary
#CE314D
accent
#0129E4
background
#FDFFFE
surface
#F7FFFC
border
#D0D7D5
text
#101716
muted
#818584

Preview Lab

Preview with #66F5DC

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

Preview Lab → · Contrast checker → · Palette generator →

#66F5DC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva