#66E8EE#66E8EE

#66E8EE is a very light, moderate teal. Relative luminance 0.667; OKLCH L 86.1% C 0.114 H 199.4°. Best body text is #000000 at 14.34:1 contrast (WCAG AA passes).

Color values

HEX	#66E8EE
RGB	rgb(102, 232, 238)
HSL	hsl(183, 80%, 67%)
HSV	hsv(183, 57%, 93%)
CMYK	cmyk(57.1%, 2.5%, 0%, 6.7%)
CIE-LAB	lab(85.36, -33.89, -13.73)
CIE-LCH	lch(85.36, 36.56, 202.05°)
OKLab	oklab(86.09% -0.1077 -0.038)
OKLCH	oklch(86.09% 0.114 199.4)
XYZ	xyz(49.7622, 66.7060, 91.1254)
Luminance	0.6671 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E8EE #EE6C66

analogous

#66EEB0 #66E8EE #66A4EE

triadic

#66E8EE #EE66E8 #E8EE66

tetradic

#66E8EE #B066EE #EE6C66 #A4EE66

square

#66E8EE #B066EE #EE6C66 #A4EE66

split-complementary

#66E8EE #EE66A4 #EEB066

monochromatic

#16BCC4 #2FE0E8 #66E8EE #9DF0F4 #D4F9FA

Accessibility & contrast

On white

1.46

#66E8EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.34

#66E8EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E8EE

14.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E8EE	#FFFFFF	#000000	##000000
##66E8EE	1.00	1.46	14.34	14.34
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.34	21.00	1.00	1.00
##000000	14.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9DFEF

Deuteranopia (green-blind)

#C3CEEF

Tritanopia (blue-blind)

#00EFE9

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #66e8ee;
/* rgb */ color: rgb(102, 232, 238);
/* oklch */ color: oklch(86.1% 0.114 199.4);

Tailwind

colors: {
  custom: {
    50: '#9eeff3',
    500: '#66e8ee',
    950: '#000000',
  },
}

SCSS

$custom: #66e8ee;
$custom-light: #9eeff3;
$custom-dark: #000000;

JSON

{
  "hex": "#66e8ee",
  "rgb": {
    "r": 102,
    "g": 232,
    "b": 238
  },
  "hsl": {
    "h": 182.647,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.86093,
    "c": 0.11417,
    "h": 199.4
  },
  "luminance": 0.66711
}

Semantic roles & 50–950 ramp

primary

#66E8EE

secondary

#C23D37

accent

#1209DC

background

#FCFFFF

surface

#F6FEFE

border

#D0D6D6

text

#101617

muted

#808585

Preview Lab

Preview with #66E8EE

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

Preview Lab → · Contrast checker → · Palette generator →