#66EEE4#66EEE4

#66EEE4 is a very light, moderate teal. Relative luminance 0.696; OKLCH L 87.2% C 0.119 H 188.6°. Best body text is #000000 at 14.92:1 contrast (WCAG AA passes).

Color values

HEX	#66EEE4
RGB	rgb(102, 238, 228)
HSL	hsl(176, 80%, 67%)
HSV	hsv(176, 57%, 93%)
CMYK	cmyk(57.1%, 0%, 4.2%, 6.7%)
CIE-LAB	lab(86.79, -39.28, -6.34)
CIE-LCH	lch(86.79, 39.78, 189.17°)
OKLab	oklab(87.15% -0.118 -0.0178)
OKLCH	oklch(87.15% 0.119 188.6)
XYZ	xyz(50.0515, 69.5702, 84.1744)
Luminance	0.6957 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EEE4 #EE6670

analogous

#66EEA0 #66EEE4 #66B4EE

triadic

#66EEE4 #E466EE #EEE466

tetradic

#66EEE4 #A066EE #EE6670 #B4EE66

square

#66EEE4 #A066EE #EE6670 #B4EE66

split-complementary

#66EEE4 #EE66B4 #EEA066

monochromatic

#16C4B7 #2FE8DA #66EEE4 #9DF4EE #D4FAF7

Accessibility & contrast

On white

1.41

#66EEE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.92

#66EEE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EEE4

14.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EEE4	#FFFFFF	#000000	##000000
##66EEE4	1.00	1.41	14.92	14.92
#FFFFFF	1.41	1.00	21.00	21.00
#000000	14.92	21.00	1.00	1.00
##000000	14.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2E3E4

Deuteranopia (green-blind)

#CDD3E5

Tritanopia (blue-blind)

#00F3EB

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #66eee4;
/* rgb */ color: rgb(102, 238, 228);
/* oklch */ color: oklch(87.2% 0.119 188.6);

Tailwind

colors: {
  custom: {
    50: '#9ef4ec',
    500: '#66eee4',
    950: '#000000',
  },
}

SCSS

$custom: #66eee4;
$custom-light: #9ef4ec;
$custom-dark: #000000;

JSON

{
  "hex": "#66eee4",
  "rgb": {
    "r": 102,
    "g": 238,
    "b": 228
  },
  "hsl": {
    "h": 175.588,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.87154,
    "c": 0.11935,
    "h": 188.6
  },
  "luminance": 0.69575
}

Semantic roles & 50–950 ramp

primary

#66EEE4

secondary

#C23741

accent

#0919DC

background

#FCFFFE

surface

#F6FEFD

border

#D0D6D5

text

#101716

muted

#808584

Preview Lab

Preview with #66EEE4

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

Preview Lab → · Contrast checker → · Palette generator →