#66E5CC#66E5CC

#66E5CC is a very light, moderate teal. Relative luminance 0.632; OKLCH L 84.3% C 0.119 H 178.3°. Best body text is #000000 at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#66E5CC
RGB	rgb(102, 229, 204)
HSL	hsl(168, 71%, 65%)
HSV	hsv(168, 55%, 90%)
CMYK	cmyk(55.5%, 0%, 10.9%, 10.2%)
CIE-LAB	lab(83.56, -41.19, 1.56)
CIE-LCH	lch(83.56, 41.22, 177.83°)
OKLab	oklab(84.33% -0.1189 0.0035)
OKLCH	oklch(84.33% 0.119 178.3)
XYZ	xyz(44.3930, 63.2188, 66.9780)
Luminance	0.6322 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E5CC #E5667F

analogous

#66E58D #66E5CC #66BFE5

triadic

#66E5CC #CC66E5 #E5CC66

tetradic

#66E5CC #8D66E5 #E5667F #BFE566

square

#66E5CC #8D66E5 #E5667F #BFE566

split-complementary

#66E5CC #E566BF #E58D66

monochromatic

#1EB295 #32DCBB #66E5CC #9AEEDD #CFF7EF

Accessibility & contrast

On white

1.54

#66E5CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.64

#66E5CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E5CC

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E5CC	#FFFFFF	#000000	##000000
##66E5CC	1.00	1.54	13.64	13.64
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.64	21.00	1.00	1.00
##000000	13.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDD9CB

Deuteranopia (green-blind)

#C9CACE

Tritanopia (blue-blind)

#00E8DD

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #66e5cc;
/* rgb */ color: rgb(102, 229, 204);
/* oklch */ color: oklch(84.3% 0.119 178.3);

Tailwind

colors: {
  custom: {
    50: '#9ceedb',
    500: '#66e5cc',
    950: '#000000',
  },
}

SCSS

$custom: #66e5cc;
$custom-light: #9ceedb;
$custom-dark: #000000;

JSON

{
  "hex": "#66e5cc",
  "rgb": {
    "r": 102,
    "g": 229,
    "b": 204
  },
  "hsl": {
    "h": 168.189,
    "s": 70.95,
    "l": 64.902
  },
  "oklch": {
    "l": 0.84328,
    "c": 0.11896,
    "h": 178.3
  },
  "luminance": 0.63223
}

Semantic roles & 50–950 ramp

primary

#66E5CC

secondary

#B33C54

accent

#1338D3

background

#FCFFFE

surface

#F6FEFB

border

#D0D6D4

text

#0F1615

muted

#808584

Preview Lab

Preview with #66E5CC

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

Preview Lab → · Contrast checker → · Palette generator →