#66EEE9#66EEE9

#66EEE9 is a very light, moderate teal. Relative luminance 0.699; OKLCH L 87.3% C 0.118 H 191.9°. Best body text is #000000 at 14.97:1 contrast (WCAG AA passes).

Color values

HEX	#66EEE9
RGB	rgb(102, 238, 233)
HSL	hsl(178, 80%, 67%)
HSV	hsv(178, 57%, 93%)
CMYK	cmyk(57.1%, 0%, 2.1%, 6.7%)
CIE-LAB	lab(86.92, -37.99, -8.76)
CIE-LCH	lch(86.92, 38.98, 192.98°)
OKLab	oklab(87.31% -0.1159 -0.0244)
OKLCH	oklch(87.31% 0.118 191.9)
XYZ	xyz(50.7556, 69.8519, 87.8829)
Luminance	0.6986 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EEE9 #EE666B

analogous

#66EEA5 #66EEE9 #66AFEE

triadic

#66EEE9 #E966EE #EEE966

tetradic

#66EEE9 #A566EE #EE666B #AFEE66

square

#66EEE9 #A566EE #EE666B #AFEE66

split-complementary

#66EEE9 #EE66AF #EEA566

monochromatic

#16C4BD #2FE8E1 #66EEE9 #9DF4F1 #D4FAF9

Accessibility & contrast

On white

1.40

#66EEE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.97

#66EEE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EEE9

14.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EEE9	#FFFFFF	#000000	##000000
##66EEE9	1.00	1.40	14.97	14.97
#FFFFFF	1.40	1.00	21.00	21.00
#000000	14.97	21.00	1.00	1.00
##000000	14.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1E3E9

Deuteranopia (green-blind)

#CBD3EA

Tritanopia (blue-blind)

#00F4EC

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #66eee9;
/* rgb */ color: rgb(102, 238, 233);
/* oklch */ color: oklch(87.3% 0.118 191.9);

Tailwind

colors: {
  custom: {
    50: '#9ff4f0',
    500: '#66eee9',
    950: '#000000',
  },
}

SCSS

$custom: #66eee9;
$custom-light: #9ff4f0;
$custom-dark: #000000;

JSON

{
  "hex": "#66eee9",
  "rgb": {
    "r": 102,
    "g": 238,
    "b": 233
  },
  "hsl": {
    "h": 177.794,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.87312,
    "c": 0.11845,
    "h": 191.9
  },
  "luminance": 0.69857
}

Semantic roles & 50–950 ramp

primary

#66EEE9

secondary

#C2373C

accent

#0911DC

background

#FDFFFF

surface

#F7FEFE

border

#D0D6D6

text

#101716

muted

#818585

Preview Lab

Preview with #66EEE9

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

Preview Lab → · Contrast checker → · Palette generator →