#66E4E6#66E4E6

#66E4E6 is a very light, moderate teal. Relative luminance 0.640; OKLCH L 84.9% C 0.111 H 196.7°. Best body text is #000000 at 13.81:1 contrast (WCAG AA passes).

Color values

HEX	#66E4E6
RGB	rgb(102, 228, 230)
HSL	hsl(181, 72%, 65%)
HSV	hsv(181, 56%, 90%)
CMYK	cmyk(55.7%, 0.9%, 0%, 9.8%)
CIE-LAB	lab(83.98, -34.15, -11.57)
CIE-LCH	lch(83.98, 36.05, 198.71°)
OKLab	oklab(84.9% -0.1068 -0.032)
OKLCH	oklch(84.9% 0.111 196.7)
XYZ	xyz(47.4998, 64.0200, 84.7014)
Luminance	0.6402 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E4E6 #E66866

analogous

#66E6A8 #66E4E6 #66A4E6

triadic

#66E4E6 #E666E4 #E4E666

tetradic

#66E4E6 #A866E6 #E66866 #A4E666

square

#66E4E6 #A866E6 #E66866 #A4E666

split-complementary

#66E4E6 #E666A4 #E6A866

monochromatic

#1DB2B4 #31DBDD #66E4E6 #9BEDEF #CFF7F7

Accessibility & contrast

On white

1.52

#66E4E6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.81

#66E4E6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E4E6

13.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E4E6	#FFFFFF	#000000	##000000
##66E4E6	1.00	1.52	13.81	13.81
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.81	21.00	1.00	1.00
##000000	13.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6DAE6

Deuteranopia (green-blind)

#C1CBE7

Tritanopia (blue-blind)

#00EBE4

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #66e4e6;
/* rgb */ color: rgb(102, 228, 230);
/* oklch */ color: oklch(84.9% 0.111 196.7);

Tailwind

colors: {
  custom: {
    50: '#9deded',
    500: '#66e4e6',
    950: '#000000',
  },
}

SCSS

$custom: #66e4e6;
$custom-light: #9deded;
$custom-dark: #000000;

JSON

{
  "hex": "#66e4e6",
  "rgb": {
    "r": 102,
    "g": 228,
    "b": 230
  },
  "hsl": {
    "h": 180.938,
    "s": 71.91,
    "l": 65.098
  },
  "oklch": {
    "l": 0.84901,
    "c": 0.11149,
    "h": 196.7
  },
  "luminance": 0.64025
}

Semantic roles & 50–950 ramp

primary

#66E4E6

secondary

#B53E3C

accent

#1512D4

background

#FCFFFE

surface

#F6FEFD

border

#D0D6D5

text

#0F1616

muted

#808584

Preview Lab

Preview with #66E4E6

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

Preview Lab → · Contrast checker → · Palette generator →