#66E6EC#66E6EC

#66E6EC is a very light, moderate teal. Relative luminance 0.655; OKLCH L 85.6% C 0.113 H 199.5°. Best body text is #000000 at 14.10:1 contrast (WCAG AA passes).

Color values

HEX	#66E6EC
RGB	rgb(102, 230, 236)
HSL	hsl(183, 78%, 66%)
HSV	hsv(183, 57%, 93%)
CMYK	cmyk(56.8%, 2.5%, 0%, 7.5%)
CIE-LAB	lab(84.73, -33.49, -13.61)
CIE-LCH	lch(84.73, 36.15, 202.13°)
OKLab	oklab(85.56% -0.1064 -0.0377)
OKLCH	oklch(85.56% 0.113 199.5)
XYZ	xyz(48.9102, 65.4696, 89.3999)
Luminance	0.6548 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E6EC #EC6C66

analogous

#66ECAF #66E6EC #66A3EC

triadic

#66E6EC #EC66E6 #E6EC66

tetradic

#66E6EC #AF66EC #EC6C66 #A3EC66

square

#66E6EC #AF66EC #EC6C66 #A3EC66

split-complementary

#66E6EC #EC66A3 #ECAF66

monochromatic

#18B8C0 #30DDE5 #66E6EC #9CEFF3 #D3F8FA

Accessibility & contrast

On white

1.49

#66E6EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.10

#66E6EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E6EC

14.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E6EC	#FFFFFF	#000000	##000000
##66E6EC	1.00	1.49	14.10	14.10
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.10	21.00	1.00	1.00
##000000	14.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7DDED

Deuteranopia (green-blind)

#C2CDED

Tritanopia (blue-blind)

#00EDE7

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #66e6ec;
/* rgb */ color: rgb(102, 230, 236);
/* oklch */ color: oklch(85.6% 0.113 199.5);

Tailwind

colors: {
  custom: {
    50: '#9eeef2',
    500: '#66e6ec',
    950: '#000000',
  },
}

SCSS

$custom: #66e6ec;
$custom-light: #9eeef2;
$custom-dark: #000000;

JSON

{
  "hex": "#66e6ec",
  "rgb": {
    "r": 102,
    "g": 230,
    "b": 236
  },
  "hsl": {
    "h": 182.687,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.85564,
    "c": 0.11288,
    "h": 199.5
  },
  "luminance": 0.65475
}

Semantic roles & 50–950 ramp

primary

#66E6EC

secondary

#BE3E38

accent

#150BDA

background

#FCFFFF

surface

#F6FEFE

border

#D0D6D6

text

#101616

muted

#808585

Preview Lab

Preview with #66E6EC

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

Preview Lab → · Contrast checker → · Palette generator →