#66F0EF#66F0EF

#66F0EF is a very light, moderate teal. Relative luminance 0.714; OKLCH L 88.0% C 0.119 H 194.5°. Best body text is #000000 at 15.28:1 contrast (WCAG AA passes).

Color values

HEX	#66F0EF
RGB	rgb(102, 240, 239)
HSL	hsl(180, 82%, 67%)
HSV	hsv(180, 58%, 94%)
CMYK	cmyk(57.5%, 0%, 0.4%, 5.9%)
CIE-LAB	lab(87.67, -37.34, -10.80)
CIE-LCH	lch(87.67, 38.87, 196.13°)
OKLab	oklab(87.97% -0.1155 -0.0299)
OKLCH	oklch(87.97% 0.119 194.5)
XYZ	xyz(52.2128, 71.3716, 92.6691)
Luminance	0.7138 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F0EF #F06667

analogous

#66F0AA #66F0EF #66ACF0

triadic

#66F0EF #EF66F0 #F0EF66

tetradic

#66F0EF #AA66F0 #F06667 #ACF066

square

#66F0EF #AA66F0 #F06667 #ACF066

split-complementary

#66F0EF #F066AC #F0AA66

monochromatic

#14C8C7 #2EEBE9 #66F0EF #9EF5F5 #D5FBFB

Accessibility & contrast

On white

1.37

#66F0EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.28

#66F0EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F0EF

15.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F0EF	#FFFFFF	#000000	##000000
##66F0EF	1.00	1.37	15.28	15.28
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.28	21.00	1.00	1.00
##000000	15.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2E5EF

Deuteranopia (green-blind)

#CCD5F0

Tritanopia (blue-blind)

#00F7EF

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #66f0ef;
/* rgb */ color: rgb(102, 240, 239);
/* oklch */ color: oklch(88.0% 0.119 194.5);

Tailwind

colors: {
  custom: {
    50: '#9ff5f4',
    500: '#66f0ef',
    950: '#000000',
  },
}

SCSS

$custom: #66f0ef;
$custom-light: #9ff5f4;
$custom-dark: #000000;

JSON

{
  "hex": "#66f0ef",
  "rgb": {
    "r": 102,
    "g": 240,
    "b": 239
  },
  "hsl": {
    "h": 179.565,
    "s": 82.143,
    "l": 67.059
  },
  "oklch": {
    "l": 0.87968,
    "c": 0.11931,
    "h": 194.5
  },
  "luminance": 0.71377
}

Semantic roles & 50–950 ramp

primary

#66F0EF

secondary

#C53536

accent

#0709DF

background

#FDFFFF

surface

#F7FEFE

border

#D0D6D6

text

#101717

muted

#818585

Preview Lab

Preview with #66F0EF

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

Preview Lab → · Contrast checker → · Palette generator →