#66F3ED#66F3ED

#66F3ED is a very light, vivid teal. Relative luminance 0.730; OKLCH L 88.6% C 0.122 H 191.3°. Best body text is #000000 at 15.61:1 contrast (WCAG AA passes).

Color values

HEX#66F3ED
RGBrgb(102, 243, 237)
HSLhsl(177, 85%, 68%)
HSVhsv(177, 58%, 95%)
CMYKcmyk(58%, 0%, 2.5%, 4.7%)
CIE-LABlab(88.46, -39.23, -8.57)
CIE-LCHlch(88.46, 40.15, 192.32°)
OKLaboklab(88.6% -0.1194 -0.0238)
OKLCHoklch(88.6% 0.122 191.3)
XYZxyz(52.8095, 73.0350, 91.4184)
Luminance0.7304 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F3ED #F3666C
analogous
#66F3A7 #66F3ED #66B2F3
triadic
#66F3ED #ED66F3 #F3ED66
tetradic
#66F3ED #A766F3 #F3666C #B2F366
square
#66F3ED #A766F3 #F3666C #B2F366
split-complementary
#66F3ED #F366B2 #F3A766
monochromatic
#10CEC6 #2DEFE6 #66F3ED #9FF7F4 #D7FCFA

Accessibility & contrast

On white

1.35
#66F3ED on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.61
#66F3ED on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F3ED
15.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F3ED#FFFFFF#000000##000000
##66F3ED1.001.3515.6115.61
#FFFFFF1.351.0021.0021.00
#00000015.6121.001.001.00
##00000015.6121.001.001.00

Color blindness preview

Protanopia (red-blind)
#E6E8ED
Deuteranopia (green-blind)
#CFD7EE
Tritanopia (blue-blind)
#00F9F1
Achromatopsia (no color)
#DEDEDE

Design tokens & code

CSS
--color: #66f3ed;
/* rgb */ color: rgb(102, 243, 237);
/* oklch */ color: oklch(88.6% 0.122 191.3);
Tailwind
colors: {
  custom: {
    50: '#9ff7f2',
    500: '#66f3ed',
    950: '#000000',
  },
}
SCSS
$custom: #66f3ed;
$custom-light: #9ff7f2;
$custom-dark: #000000;
JSON
{
  "hex": "#66f3ed",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 237
  },
  "hsl": {
    "h": 177.447,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.88596,
    "c": 0.12174,
    "h": 191.3
  },
  "luminance": 0.7304
}

Semantic roles & 50–950 ramp

primary
#66F3ED
secondary
#CA3339
accent
#040DE2
background
#FDFFFF
surface
#F7FFFE
border
#D0D7D6
text
#101717
muted
#818585

Preview Lab

Preview with #66F3ED

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

Preview Lab → · Contrast checker → · Palette generator →

#66F3ED Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva