#66FBE4#66FBE4

#66FBE4 is a very light, vivid teal. Relative luminance 0.774; OKLCH L 90.2% C 0.131 H 181.3°. Best body text is #000000 at 16.48:1 contrast (WCAG AA passes).

Color values

HEX#66FBE4
RGBrgb(102, 251, 228)
HSLhsl(171, 95%, 69%)
HSVhsv(171, 59%, 98%)
CMYKcmyk(59.4%, 0%, 9.2%, 1.6%)
CIE-LABlab(90.51, -45.06, -0.86)
CIE-LCHlch(90.51, 45.06, 181.09°)
OKLaboklab(90.18% -0.1313 -0.0031)
OKLCHoklch(90.18% 0.131 181.3)
XYZxyz(53.9739, 77.4150, 85.4819)
Luminance0.7742 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66FBE4 #FB667D
analogous
#66FB9A #66FBE4 #66C8FB
triadic
#66FBE4 #E466FB #FBE466
tetradic
#66FBE4 #9A66FB #FB667D #C8FB66
square
#66FBE4 #9A66FB #FB667D #C8FB66
split-complementary
#66FBE4 #FB66C8 #FB9A66
monochromatic
#06E1BF #2AF9D9 #66FBE4 #A2FDEF #DDFEF9

Accessibility & contrast

On white

1.27
#66FBE4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.48
#66FBE4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FBE4
16.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66FBE4#FFFFFF#000000##000000
##66FBE41.001.2716.4816.48
#FFFFFF1.271.0021.0021.00
#00000016.4821.001.001.00
##00000016.4821.001.001.00

Color blindness preview

Protanopia (red-blind)
#F1EDE3
Deuteranopia (green-blind)
#DADDE6
Tritanopia (blue-blind)
#00FFF4
Achromatopsia (no color)
#E4E4E4

Design tokens & code

CSS
--color: #66fbe4;
/* rgb */ color: rgb(102, 251, 228);
/* oklch */ color: oklch(90.2% 0.131 181.3);
Tailwind
colors: {
  custom: {
    50: '#a0fdec',
    500: '#66fbe4',
    950: '#000000',
  },
}
SCSS
$custom: #66fbe4;
$custom-light: #a0fdec;
$custom-dark: #000000;
JSON
{
  "hex": "#66fbe4",
  "rgb": {
    "r": 102,
    "g": 251,
    "b": 228
  },
  "hsl": {
    "h": 170.738,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.90177,
    "c": 0.13138,
    "h": 181.3
  },
  "luminance": 0.77421
}

Semantic roles & 50–950 ramp

primary
#66FBE4
secondary
#D53049
accent
#0023E6
background
#FDFFFE
surface
#F7FFFD
border
#D0D7D5
text
#101816
muted
#818684

Preview Lab

Preview with #66FBE4

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

Preview Lab → · Contrast checker → · Palette generator →

#66FBE4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva