#66F1E9#66F1E9

#66F1E9 is a very light, vivid teal. Relative luminance 0.716; OKLCH L 88.0% C 0.121 H 190.0°. Best body text is #000000 at 15.32:1 contrast (WCAG AA passes).

Color values

HEX	#66F1E9
RGB	rgb(102, 241, 233)
HSL	hsl(177, 83%, 67%)
HSV	hsv(177, 58%, 95%)
CMYK	cmyk(57.7%, 0%, 3.3%, 5.5%)
CIE-LAB	lab(87.78, -39.35, -7.49)
CIE-LCH	lch(87.78, 40.06, 190.77°)
OKLab	oklab(88.01% -0.119 -0.0209)
OKLCH	oklch(88.01% 0.121 190)
XYZ	xyz(51.6363, 71.6133, 88.1765)
Luminance	0.7162 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F1E9 #F1666E

analogous

#66F1A4 #66F1E9 #66B3F1

triadic

#66F1E9 #E966F1 #F1E966

tetradic

#66F1E9 #A466F1 #F1666E #B3F166

square

#66F1E9 #A466F1 #F1666E #B3F166

split-complementary

#66F1E9 #F166B3 #F1A466

monochromatic

#12CAC0 #2EECE1 #66F1E9 #9EF6F1 #D6FBF9

Accessibility & contrast

On white

1.37

#66F1E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.32

#66F1E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F1E9

15.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F1E9	#FFFFFF	#000000	##000000
##66F1E9	1.00	1.37	15.32	15.32
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.32	21.00	1.00	1.00
##000000	15.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4E6E9

Deuteranopia (green-blind)

#CED5EA

Tritanopia (blue-blind)

#00F7EE

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #66f1e9;
/* rgb */ color: rgb(102, 241, 233);
/* oklch */ color: oklch(88.0% 0.121 190.0);

Tailwind

colors: {
  custom: {
    50: '#9ff6f0',
    500: '#66f1e9',
    950: '#000000',
  },
}

SCSS

$custom: #66f1e9;
$custom-light: #9ff6f0;
$custom-dark: #000000;

JSON

{
  "hex": "#66f1e9",
  "rgb": {
    "r": 102,
    "g": 241,
    "b": 233
  },
  "hsl": {
    "h": 176.547,
    "s": 83.234,
    "l": 67.255
  },
  "oklch": {
    "l": 0.88006,
    "c": 0.12083,
    "h": 190
  },
  "luminance": 0.71619
}

Semantic roles & 50–950 ramp

primary

#66F1E9

secondary

#C7343D

accent

#0612E0

background

#FDFFFF

surface

#F7FEFE

border

#D0D6D6

text

#101716

muted

#818585

Preview Lab

Preview with #66F1E9

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

Preview Lab → · Contrast checker → · Palette generator →