#66ECEA#66ECEA

#66ECEA is a very light, moderate teal. Relative luminance 0.688; OKLCH L 86.9% C 0.117 H 193.9°. Best body text is #000000 at 14.75:1 contrast (WCAG AA passes).

Color values

HEX#66ECEA
RGBrgb(102, 236, 234)
HSLhsl(179, 78%, 66%)
HSVhsv(179, 57%, 93%)
CMYKcmyk(56.8%, 0%, 0.8%, 7.5%)
CIE-LABlab(86.38, -36.81, -10.09)
CIE-LCHlch(86.38, 38.17, 195.33°)
OKLaboklab(86.88% -0.1134 -0.028)
OKLCHoklch(86.88% 0.117 193.9)
XYZxyz(50.3198, 68.7511, 88.4444)
Luminance0.6876 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66ECEA #EC6668
analogous
#66ECA7 #66ECEA #66ABEC
triadic
#66ECEA #EA66EC #ECEA66
tetradic
#66ECEA #A766EC #EC6668 #ABEC66
square
#66ECEA #A766EC #EC6668 #ABEC66
split-complementary
#66ECEA #EC66AB #ECA766
monochromatic
#18C0BD #30E5E3 #66ECEA #9CF3F1 #D3FAF9

Accessibility & contrast

On white

1.42
#66ECEA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.75
#66ECEA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ECEA
14.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66ECEA#FFFFFF#000000##000000
##66ECEA1.001.4214.7514.75
#FFFFFF1.421.0021.0021.00
#00000014.7521.001.001.00
##00000014.7521.001.001.00

Color blindness preview

Protanopia (red-blind)
#DFE1EA
Deuteranopia (green-blind)
#C9D1EB
Tritanopia (blue-blind)
#00F2EB
Achromatopsia (no color)
#D8D8D8

Design tokens & code

CSS
--color: #66ecea;
/* rgb */ color: rgb(102, 236, 234);
/* oklch */ color: oklch(86.9% 0.117 193.9);
Tailwind
colors: {
  custom: {
    50: '#9ef2f0',
    500: '#66ecea',
    950: '#000000',
  },
}
SCSS
$custom: #66ecea;
$custom-light: #9ef2f0;
$custom-dark: #000000;
JSON
{
  "hex": "#66ecea",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 234
  },
  "hsl": {
    "h": 179.104,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.86882,
    "c": 0.11684,
    "h": 193.9
  },
  "luminance": 0.68756
}

Semantic roles & 50–950 ramp

primary
#66ECEA
secondary
#BE383A
accent
#0B0EDA
background
#FCFFFF
surface
#F6FEFE
border
#D0D6D6
text
#101716
muted
#808585

Preview Lab

Preview with #66ECEA

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

Preview Lab → · Contrast checker → · Palette generator →

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