#66E8EF#66E8EF

#66E8EF is a very light, moderate teal. Relative luminance 0.668; OKLCH L 86.1% C 0.114 H 200.1°. Best body text is #000000 at 14.35:1 contrast (WCAG AA passes).

Color values

HEX	#66E8EF
RGB	rgb(102, 232, 239)
HSL	hsl(183, 81%, 67%)
HSV	hsv(183, 57%, 94%)
CMYK	cmyk(57.3%, 2.9%, 0%, 6.3%)
CIE-LAB	lab(85.39, -33.62, -14.21)
CIE-LCH	lch(85.39, 36.50, 202.91°)
OKLab	oklab(86.13% -0.1073 -0.0393)
OKLCH	oklch(86.13% 0.114 200.1)
XYZ	xyz(49.9095, 66.7650, 91.9013)
Luminance	0.6677 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E8EF #EF6D66

analogous

#66EFB2 #66E8EF #66A4EF

triadic

#66E8EF #EF66E8 #E8EF66

tetradic

#66E8EF #B266EF #EF6D66 #A4EF66

square

#66E8EF #B266EF #EF6D66 #A4EF66

split-complementary

#66E8EF #EF66A4 #EFB266

monochromatic

#15BDC6 #2FE0E9 #66E8EF #9DF0F5 #D5F9FB

Accessibility & contrast

On white

1.46

#66E8EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.35

#66E8EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E8EF

14.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E8EF	#FFFFFF	#000000	##000000
##66E8EF	1.00	1.46	14.35	14.35
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.35	21.00	1.00	1.00
##000000	14.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9DFF0

Deuteranopia (green-blind)

#C3CFF0

Tritanopia (blue-blind)

#00F0EA

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #66e8ef;
/* rgb */ color: rgb(102, 232, 239);
/* oklch */ color: oklch(86.1% 0.114 200.1);

Tailwind

colors: {
  custom: {
    50: '#9eeff4',
    500: '#66e8ef',
    950: '#000000',
  },
}

SCSS

$custom: #66e8ef;
$custom-light: #9eeff4;
$custom-dark: #000000;

JSON

{
  "hex": "#66e8ef",
  "rgb": {
    "r": 102,
    "g": 232,
    "b": 239
  },
  "hsl": {
    "h": 183.066,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.86127,
    "c": 0.11424,
    "h": 200.1
  },
  "luminance": 0.6677
}

Semantic roles & 50–950 ramp

primary

#66E8EF

secondary

#C33D36

accent

#1308DD

background

#FCFFFF

surface

#F6FEFE

border

#D0D6D6

text

#101617

muted

#808585

Preview Lab

Preview with #66E8EF

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

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