#66F3F5#66F3F5

#66F3F5 is a very light, vivid teal. Relative luminance 0.735; OKLCH L 88.9% C 0.121 H 196.5°. Best body text is #000000 at 15.70:1 contrast (WCAG AA passes).

Color values

HEX#66F3F5
RGBrgb(102, 243, 245)
HSLhsl(181, 88%, 68%)
HSVhsv(181, 58%, 96%)
CMYKcmyk(58.4%, 0.8%, 0%, 3.9%)
CIE-LABlab(88.69, -37.13, -12.41)
CIE-LCHlch(88.69, 39.15, 198.48°)
OKLaboklab(88.85% -0.1161 -0.0344)
OKLCHoklch(88.85% 0.121 196.5)
XYZxyz(54.0044, 73.5129, 97.7118)
Luminance0.7352 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F3F5 #F56866
analogous
#66F5AF #66F3F5 #66ABF5
triadic
#66F3F5 #F566F3 #F3F566
tetradic
#66F3F5 #AF66F5 #F56866 #ABF566
square
#66F3F5 #AF66F5 #F56866 #ABF566
split-complementary
#66F3F5 #F566AB #F5AF66
monochromatic
#0ED0D3 #2DEEF1 #66F3F5 #9FF8F9 #D9FCFD

Accessibility & contrast

On white

1.34
#66F3F5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.70
#66F3F5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F3F5
15.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F3F5#FFFFFF#000000##000000
##66F3F51.001.3415.7015.70
#FFFFFF1.341.0021.0021.00
#00000015.7021.001.001.00
##00000015.7021.001.001.00

Color blindness preview

Protanopia (red-blind)
#E4E8F5
Deuteranopia (green-blind)
#CDD8F6
Tritanopia (blue-blind)
#00FAF3
Achromatopsia (no color)
#DFDFDF

Design tokens & code

CSS
--color: #66f3f5;
/* rgb */ color: rgb(102, 243, 245);
/* oklch */ color: oklch(88.9% 0.121 196.5);
Tailwind
colors: {
  custom: {
    50: '#a0f7f8',
    500: '#66f3f5',
    950: '#000000',
  },
}
SCSS
$custom: #66f3f5;
$custom-light: #a0f7f8;
$custom-dark: #000000;
JSON
{
  "hex": "#66f3f5",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 245
  },
  "hsl": {
    "h": 180.839,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.88855,
    "c": 0.12106,
    "h": 196.5
  },
  "luminance": 0.73519
}

Semantic roles & 50–950 ramp

primary
#66F3F5
secondary
#CE3431
accent
#0401E4
background
#FDFFFF
surface
#F7FFFE
border
#D0D7D6
text
#101717
muted
#818585

Preview Lab

Preview with #66F3F5

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

Preview Lab → · Contrast checker → · Palette generator →

#66F3F5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva