#66E0CC#66E0CC

#66E0CC is a very light, moderate teal. Relative luminance 0.605; OKLCH L 83.1% C 0.114 H 181.1°. Best body text is #000000 at 13.10:1 contrast (WCAG AA passes).

Color values

HEX	#66E0CC
RGB	rgb(102, 224, 204)
HSL	hsl(170, 66%, 64%)
HSV	hsv(170, 54%, 88%)
CMYK	cmyk(54.5%, 0%, 8.9%, 12.2%)
CIE-LAB	lab(82.10, -38.94, -0.56)
CIE-LCH	lch(82.10, 38.94, 180.83°)
OKLab	oklab(83.15% -0.1136 -0.0021)
OKLCH	oklch(83.15% 0.114 181.1)
XYZ	xyz(43.0294, 60.4916, 66.5235)
Luminance	0.6050 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E0CC #E0667A

analogous

#66E08F #66E0CC #66B7E0

triadic

#66E0CC #CC66E0 #E0CC66

tetradic

#66E0CC #8F66E0 #E0667A #B7E066

square

#66E0CC #8F66E0 #E0667A #B7E066

split-complementary

#66E0CC #E066B7 #E08F66

monochromatic

#22A993 #33D6BB #66E0CC #99EADD #CCF5EE

Accessibility & contrast

On white

1.60

#66E0CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.10

#66E0CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E0CC

13.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E0CC	#FFFFFF	#000000	##000000
##66E0CC	1.00	1.60	13.10	13.10
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.10	21.00	1.00	1.00
##000000	13.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7D4CB

Deuteranopia (green-blind)

#C4C6CE

Tritanopia (blue-blind)

#05E4DA

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #66e0cc;
/* rgb */ color: rgb(102, 224, 204);
/* oklch */ color: oklch(83.1% 0.114 181.1);

Tailwind

colors: {
  custom: {
    50: '#9ceadb',
    500: '#66e0cc',
    950: '#000000',
  },
}

SCSS

$custom: #66e0cc;
$custom-light: #9ceadb;
$custom-dark: #000000;

JSON

{
  "hex": "#66e0cc",
  "rgb": {
    "r": 102,
    "g": 224,
    "b": 204
  },
  "hsl": {
    "h": 170.164,
    "s": 66.304,
    "l": 63.922
  },
  "oklch": {
    "l": 0.83149,
    "c": 0.11359,
    "h": 181.1
  },
  "luminance": 0.60496
}

Semantic roles & 50–950 ramp

primary

#66E0CC

secondary

#AB3F51

accent

#1735CE

background

#FCFEFE

surface

#F5FDFB

border

#CFD5D4

text

#0F1615

muted

#808484

Preview Lab

Preview with #66E0CC

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

Preview Lab → · Contrast checker → · Palette generator →