#66F5EB#66F5EB

#66F5EB is a very light, vivid teal. Relative luminance 0.741; OKLCH L 89.0% C 0.124 H 188.8°. Best body text is #000000 at 15.83:1 contrast (WCAG AA passes).

Color values

HEX#66F5EB
RGBrgb(102, 245, 235)
HSLhsl(176, 88%, 68%)
HSVhsv(176, 58%, 96%)
CMYKcmyk(58.4%, 0%, 4.1%, 3.9%)
CIE-LABlab(88.98, -40.65, -6.76)
CIE-LCHlch(88.98, 41.20, 189.44°)
OKLaboklab(89% -0.1223 -0.0189)
OKLCHoklch(89% 0.124 188.8)
XYZxyz(53.1207, 74.1223, 90.0887)
Luminance0.7413 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F5EB #F56670
analogous
#66F5A3 #66F5EB #66B7F5
triadic
#66F5EB #EB66F5 #F5EB66
tetradic
#66F5EB #A366F5 #F56670 #B7F566
square
#66F5EB #A366F5 #F56670 #B7F566
split-complementary
#66F5EB #F566B7 #F5A366
monochromatic
#0ED3C5 #2DF1E3 #66F5EB #9FF9F3 #D9FDFA

Accessibility & contrast

On white

1.33
#66F5EB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.83
#66F5EB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F5EB
15.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F5EB#FFFFFF#000000##000000
##66F5EB1.001.3315.8315.83
#FFFFFF1.331.0021.0021.00
#00000015.8321.001.001.00
##00000015.8321.001.001.00

Color blindness preview

Protanopia (red-blind)
#E9E9EB
Deuteranopia (green-blind)
#D2D9EC
Tritanopia (blue-blind)
#00FBF2
Achromatopsia (no color)
#DFDFDF

Design tokens & code

CSS
--color: #66f5eb;
/* rgb */ color: rgb(102, 245, 235);
/* oklch */ color: oklch(89.0% 0.124 188.8);
Tailwind
colors: {
  custom: {
    50: '#9ff9f1',
    500: '#66f5eb',
    950: '#000000',
  },
}
SCSS
$custom: #66f5eb;
$custom-light: #9ff9f1;
$custom-dark: #000000;
JSON
{
  "hex": "#66f5eb",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 235
  },
  "hsl": {
    "h": 175.804,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.88995,
    "c": 0.12372,
    "h": 188.8
  },
  "luminance": 0.74128
}

Semantic roles & 50–950 ramp

primary
#66F5EB
secondary
#CE313C
accent
#0111E4
background
#FDFFFF
surface
#F7FFFE
border
#D0D7D6
text
#101716
muted
#818585

Preview Lab

Preview with #66F5EB

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

Preview Lab → · Contrast checker → · Palette generator →

#66F5EB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva