#66FDFB#66FDFB

#66FDFB is a very light, vivid teal. Relative luminance 0.800; OKLCH L 91.3% C 0.127 H 193.9°. Best body text is #000000 at 17.01:1 contrast (WCAG AA passes).

Color values

HEX#66FDFB
RGBrgb(102, 253, 251)
HSLhsl(179, 97%, 70%)
HSVhsv(179, 60%, 99%)
CMYKcmyk(59.7%, 0%, 0.8%, 0.8%)
CIE-LABlab(91.70, -40.10, -11.05)
CIE-LCHlch(91.70, 41.60, 195.40°)
OKLaboklab(91.35% -0.1237 -0.0307)
OKLCHoklch(91.35% 0.127 193.9)
XYZxyz(58.0097, 80.0342, 103.6391)
Luminance0.8004 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66FDFB #FD6668
analogous
#66FDAF #66FDFB #66B4FD
triadic
#66FDFB #FB66FD #FDFB66
tetradic
#66FDFB #AF66FD #FD6668 #B4FD66
square
#66FDFB #AF66FD #FD6668 #B4FD66
split-complementary
#66FDFB #FD66B4 #FDAF66
monochromatic
#03E6E3 #2AFCF9 #66FDFB #A2FEFD #DFFFFE

Accessibility & contrast

On white

1.23
#66FDFB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

17.01
#66FDFB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FDFB
17.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66FDFB#FFFFFF#000000##000000
##66FDFB1.001.2317.0117.01
#FFFFFF1.231.0021.0021.00
#00000017.0121.001.001.00
##00000017.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#EEF1FB
Deuteranopia (green-blind)
#D6E0FC
Tritanopia (blue-blind)
#00FFFC
Achromatopsia (no color)
#E7E7E7

Design tokens & code

CSS
--color: #66fdfb;
/* rgb */ color: rgb(102, 253, 251);
/* oklch */ color: oklch(91.3% 0.127 193.9);
Tailwind
colors: {
  custom: {
    50: '#a1fefc',
    500: '#66fdfb',
    950: '#000000',
  },
}
SCSS
$custom: #66fdfb;
$custom-light: #a1fefc;
$custom-dark: #000000;
JSON
{
  "hex": "#66fdfb",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 251
  },
  "hsl": {
    "h": 179.205,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.91345,
    "c": 0.12743,
    "h": 193.9
  },
  "luminance": 0.8004
}

Semantic roles & 50–950 ramp

primary
#66FDFB
secondary
#D82F32
accent
#0003E6
background
#FDFFFF
surface
#F7FFFF
border
#D0D7D7
text
#101817
muted
#818685

Preview Lab

Preview with #66FDFB

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

Preview Lab → · Contrast checker → · Palette generator →

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