#66EFE3#66EFE3

#66EFE3 is a very light, vivid teal. Relative luminance 0.701; OKLCH L 87.4% C 0.120 H 187.3°. Best body text is #000000 at 15.02:1 contrast (WCAG AA passes).

Color values

HEX#66EFE3
RGBrgb(102, 239, 227)
HSLhsl(175, 81%, 67%)
HSVhsv(175, 57%, 94%)
CMYKcmyk(57.3%, 0%, 5%, 6.3%)
CIE-LABlab(87.05, -39.98, -5.43)
CIE-LCHlch(87.05, 40.35, 187.74°)
OKLaboklab(87.36% -0.1195 -0.0153)
OKLCHoklch(87.36% 0.12 187.3)
XYZxyz(50.2050, 70.0988, 83.5427)
Luminance0.7010 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66EFE3 #EF6672
analogous
#66EF9F #66EFE3 #66B6EF
triadic
#66EFE3 #E366EF #EFE366
tetradic
#66EFE3 #9F66EF #EF6672 #B6EF66
square
#66EFE3 #9F66EF #EF6672 #B6EF66
split-complementary
#66EFE3 #EF66B6 #EF9F66
monochromatic
#15C6B6 #2FE9D9 #66EFE3 #9DF5ED #D5FBF7

Accessibility & contrast

On white

1.40
#66EFE3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.02
#66EFE3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EFE3
15.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66EFE3#FFFFFF#000000##000000
##66EFE31.001.4015.0215.02
#FFFFFF1.401.0021.0021.00
#00000015.0221.001.001.00
##00000015.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#E3E3E3
Deuteranopia (green-blind)
#CED3E5
Tritanopia (blue-blind)
#00F4EB
Achromatopsia (no color)
#DADADA

Design tokens & code

CSS
--color: #66efe3;
/* rgb */ color: rgb(102, 239, 227);
/* oklch */ color: oklch(87.4% 0.120 187.3);
Tailwind
colors: {
  custom: {
    50: '#9ef5eb',
    500: '#66efe3',
    950: '#000000',
  },
}
SCSS
$custom: #66efe3;
$custom-light: #9ef5eb;
$custom-dark: #000000;
JSON
{
  "hex": "#66efe3",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 227
  },
  "hsl": {
    "h": 174.745,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.87355,
    "c": 0.12046,
    "h": 187.3
  },
  "luminance": 0.70104
}

Semantic roles & 50–950 ramp

primary
#66EFE3
secondary
#C33642
accent
#081BDD
background
#FCFFFE
surface
#F6FEFD
border
#D0D6D5
text
#101716
muted
#808584

Preview Lab

Preview with #66EFE3

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

Preview Lab → · Contrast checker → · Palette generator →

#66EFE3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva