#66F3EB#66F3EB

#66F3EB is a very light, vivid teal. Relative luminance 0.729; OKLCH L 88.5% C 0.122 H 190.0°. Best body text is #000000 at 15.58:1 contrast (WCAG AA passes).

Color values

HEX#66F3EB
RGBrgb(102, 243, 235)
HSLhsl(177, 85%, 68%)
HSVhsv(177, 58%, 95%)
CMYKcmyk(58%, 0%, 3.3%, 4.7%)
CIE-LABlab(88.41, -39.74, -7.60)
CIE-LCHlch(88.41, 40.46, 190.83°)
OKLaboklab(88.53% -0.1202 -0.0212)
OKLCHoklch(88.53% 0.122 190)
XYZxyz(52.5189, 72.9187, 89.8881)
Luminance0.7292 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F3EB #F3666E
analogous
#66F3A5 #66F3EB #66B4F3
triadic
#66F3EB #EB66F3 #F3EB66
tetradic
#66F3EB #A566F3 #F3666E #B4F366
square
#66F3EB #A566F3 #F3666E #B4F366
split-complementary
#66F3EB #F366B4 #F3A566
monochromatic
#10CEC4 #2DEFE4 #66F3EB #9FF7F2 #D7FCFA

Accessibility & contrast

On white

1.35
#66F3EB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.58
#66F3EB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F3EB
15.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F3EB#FFFFFF#000000##000000
##66F3EB1.001.3515.5815.58
#FFFFFF1.351.0021.0021.00
#00000015.5821.001.001.00
##00000015.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#E6E7EB
Deuteranopia (green-blind)
#D0D7EC
Tritanopia (blue-blind)
#00F9F0
Achromatopsia (no color)
#DEDEDE

Design tokens & code

CSS
--color: #66f3eb;
/* rgb */ color: rgb(102, 243, 235);
/* oklch */ color: oklch(88.5% 0.122 190.0);
Tailwind
colors: {
  custom: {
    50: '#9ff7f1',
    500: '#66f3eb',
    950: '#000000',
  },
}
SCSS
$custom: #66f3eb;
$custom-light: #9ff7f1;
$custom-dark: #000000;
JSON
{
  "hex": "#66f3eb",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 235
  },
  "hsl": {
    "h": 176.596,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.88532,
    "c": 0.12208,
    "h": 190
  },
  "luminance": 0.72924
}

Semantic roles & 50–950 ramp

primary
#66F3EB
secondary
#CA333B
accent
#0410E2
background
#FDFFFF
surface
#F7FFFE
border
#D0D7D6
text
#101716
muted
#818585

Preview Lab

Preview with #66F3EB

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

Preview Lab → · Contrast checker → · Palette generator →

#66F3EB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva