#66F4F8#66F4F8

#66F4F8 is a very light, vivid teal. Relative luminance 0.743; OKLCH L 89.2% C 0.122 H 197.8°. Best body text is #000000 at 15.86:1 contrast (WCAG AA passes).

Color values

HEX#66F4F8
RGBrgb(102, 244, 248)
HSLhsl(182, 91%, 69%)
HSVhsv(182, 59%, 97%)
CMYKcmyk(58.9%, 1.6%, 0%, 2.7%)
CIE-LABlab(89.06, -36.79, -13.42)
CIE-LCHlch(89.06, 39.16, 200.04°)
OKLaboklab(89.18% -0.1159 -0.0372)
OKLCHoklch(89.18% 0.122 197.8)
XYZxyz(54.7662, 74.2978, 100.2434)
Luminance0.7430 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F4F8 #F86A66
analogous
#66F8B3 #66F4F8 #66ABF8
triadic
#66F4F8 #F866F4 #F4F866
tetradic
#66F4F8 #B366F8 #F86A66 #ABF866
square
#66F4F8 #B366F8 #F86A66 #ABF866
split-complementary
#66F4F8 #F866AB #F8B366
monochromatic
#0AD4DA #2BF0F5 #66F4F8 #A1F8FB #DBFCFD

Accessibility & contrast

On white

1.32
#66F4F8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.86
#66F4F8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F4F8
15.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F4F8#FFFFFF#000000##000000
##66F4F81.001.3215.8615.86
#FFFFFF1.321.0021.0021.00
#00000015.8621.001.001.00
##00000015.8621.001.001.00

Color blindness preview

Protanopia (red-blind)
#E5EAF9
Deuteranopia (green-blind)
#CDD8F9
Tritanopia (blue-blind)
#00FCF5
Achromatopsia (no color)
#E0E0E0

Design tokens & code

CSS
--color: #66f4f8;
/* rgb */ color: rgb(102, 244, 248);
/* oklch */ color: oklch(89.2% 0.122 197.8);
Tailwind
colors: {
  custom: {
    50: '#a0f8fa',
    500: '#66f4f8',
    950: '#000000',
  },
}
SCSS
$custom: #66f4f8;
$custom-light: #a0f8fa;
$custom-dark: #000000;
JSON
{
  "hex": "#66f4f8",
  "rgb": {
    "r": 102,
    "g": 244,
    "b": 248
  },
  "hsl": {
    "h": 181.644,
    "s": 91.25,
    "l": 68.627
  },
  "oklch": {
    "l": 0.89184,
    "c": 0.12168,
    "h": 197.8
  },
  "luminance": 0.74303
}

Semantic roles & 50–950 ramp

primary
#66F4F8
secondary
#D23531
accent
#0600E6
background
#FDFFFF
surface
#F7FFFF
border
#D0D7D7
text
#101717
muted
#818585

Preview Lab

Preview with #66F4F8

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

Preview Lab → · Contrast checker → · Palette generator →

#66F4F8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva