#66F5CC#66F5CC

#66F5CC is a very light, vivid teal. Relative luminance 0.725; OKLCH L 88.1% C 0.137 H 171.2°. Best body text is #000000 at 15.50:1 contrast (WCAG AA passes).

Color values

HEX#66F5CC
RGBrgb(102, 245, 204)
HSLhsl(163, 88%, 68%)
HSVhsv(163, 58%, 96%)
CMYKcmyk(58.4%, 0%, 16.7%, 3.9%)
CIE-LABlab(88.20, -48.15, 8.27)
CIE-LCHlch(88.20, 48.86, 170.26°)
OKLaboklab(88.1% -0.1357 0.0211)
OKLCHoklch(88.1% 0.137 171.2)
XYZxyz(49.0258, 72.4843, 68.5223)
Luminance0.7249 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F5CC #F5668F
analogous
#66F584 #66F5CC #66D7F5
triadic
#66F5CC #CC66F5 #F5CC66
tetradic
#66F5CC #8466F5 #F5668F #D7F566
square
#66F5CC #8466F5 #F5668F #D7F566
split-complementary
#66F5CC #F566D7 #F58466
monochromatic
#0ED39A #2DF1B9 #66F5CC #9FF9DF #D9FDF2

Accessibility & contrast

On white

1.36
#66F5CC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.50
#66F5CC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F5CC
15.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F5CC#FFFFFF#000000##000000
##66F5CC1.001.3615.5015.50
#FFFFFF1.361.0021.0021.00
#00000015.5021.001.001.00
##00000015.5021.001.001.00

Color blindness preview

Protanopia (red-blind)
#EEE6CA
Deuteranopia (green-blind)
#D9D7CF
Tritanopia (blue-blind)
#00F7E9
Achromatopsia (no color)
#DDDDDD

Design tokens & code

CSS
--color: #66f5cc;
/* rgb */ color: rgb(102, 245, 204);
/* oklch */ color: oklch(88.1% 0.137 171.2);
Tailwind
colors: {
  custom: {
    50: '#9ef9db',
    500: '#66f5cc',
    950: '#000000',
  },
}
SCSS
$custom: #66f5cc;
$custom-light: #9ef9db;
$custom-dark: #000000;
JSON
{
  "hex": "#66f5cc",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 204
  },
  "hsl": {
    "h": 162.797,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.88104,
    "c": 0.13729,
    "h": 171.2
  },
  "luminance": 0.72489
}

Semantic roles & 50–950 ramp

primary
#66F5CC
secondary
#CE315E
accent
#0142E4
background
#FCFFFE
surface
#F6FFFB
border
#D0D7D4
text
#101715
muted
#808584

Preview Lab

Preview with #66F5CC

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

Preview Lab → · Contrast checker → · Palette generator →

#66F5CC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva