#66FBE5#66FBE5

#66FBE5 is a very light, vivid teal. Relative luminance 0.775; OKLCH L 90.2% C 0.131 H 181.9°. Best body text is #000000 at 16.50:1 contrast (WCAG AA passes).

Color values

HEX#66FBE5
RGBrgb(102, 251, 229)
HSLhsl(171, 95%, 69%)
HSVhsv(171, 59%, 98%)
CMYKcmyk(59.4%, 0%, 8.8%, 1.6%)
CIE-LABlab(90.54, -44.81, -1.34)
CIE-LCHlch(90.54, 44.83, 181.72°)
OKLaboklab(90.21% -0.1309 -0.0043)
OKLCHoklch(90.21% 0.131 181.9)
XYZxyz(54.1131, 77.4707, 86.2151)
Luminance0.7748 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66FBE5 #FB667C
analogous
#66FB9B #66FBE5 #66C7FB
triadic
#66FBE5 #E566FB #FBE566
tetradic
#66FBE5 #9B66FB #FB667C #C7FB66
square
#66FBE5 #9B66FB #FB667C #C7FB66
split-complementary
#66FBE5 #FB66C7 #FB9B66
monochromatic
#06E1C0 #2AF9DB #66FBE5 #A2FDEF #DDFEF9

Accessibility & contrast

On white

1.27
#66FBE5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.50
#66FBE5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FBE5
16.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66FBE5#FFFFFF#000000##000000
##66FBE51.001.2716.5016.50
#FFFFFF1.271.0021.0021.00
#00000016.5021.001.001.00
##00000016.5021.001.001.00

Color blindness preview

Protanopia (red-blind)
#F0EEE4
Deuteranopia (green-blind)
#DADDE7
Tritanopia (blue-blind)
#00FFF4
Achromatopsia (no color)
#E4E4E4

Design tokens & code

CSS
--color: #66fbe5;
/* rgb */ color: rgb(102, 251, 229);
/* oklch */ color: oklch(90.2% 0.131 181.9);
Tailwind
colors: {
  custom: {
    50: '#a0fded',
    500: '#66fbe5',
    950: '#000000',
  },
}
SCSS
$custom: #66fbe5;
$custom-light: #a0fded;
$custom-dark: #000000;
JSON
{
  "hex": "#66fbe5",
  "rgb": {
    "r": 102,
    "g": 251,
    "b": 229
  },
  "hsl": {
    "h": 171.141,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.90206,
    "c": 0.13098,
    "h": 181.9
  },
  "luminance": 0.77476
}

Semantic roles & 50–950 ramp

primary
#66FBE5
secondary
#D53048
accent
#0022E6
background
#FDFFFE
surface
#F7FFFD
border
#D0D7D5
text
#101816
muted
#818684

Preview Lab

Preview with #66FBE5

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

Preview Lab → · Contrast checker → · Palette generator →

#66FBE5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva