#66F5E7#66F5E7

#66F5E7 is a very light, vivid teal. Relative luminance 0.739; OKLCH L 88.9% C 0.125 H 186.3°. Best body text is #000000 at 15.78:1 contrast (WCAG AA passes).

Color values

HEX	#66F5E7
RGB	rgb(102, 245, 231)
HSL	hsl(174, 88%, 68%)
HSV	hsv(174, 58%, 96%)
CMYK	cmyk(58.4%, 0%, 5.7%, 3.9%)
CIE-LAB	lab(88.87, -41.66, -4.83)
CIE-LCH	lch(88.87, 41.94, 186.61°)
OKLab	oklab(88.87% -0.1239 -0.0137)
OKLCH	oklch(88.87% 0.125 186.3)
XYZ	xyz(52.5493, 73.8937, 87.0794)
Luminance	0.7390 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F5E7 #F56674

analogous

#66F59F #66F5E7 #66BBF5

triadic

#66F5E7 #E766F5 #F5E766

tetradic

#66F5E7 #9F66F5 #F56674 #BBF566

square

#66F5E7 #9F66F5 #F56674 #BBF566

split-complementary

#66F5E7 #F566BB #F59F66

monochromatic

#0ED3C0 #2DF1DE #66F5E7 #9FF9F0 #D9FDF9

Accessibility & contrast

On white

1.33

#66F5E7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.78

#66F5E7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F5E7

15.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F5E7	#FFFFFF	#000000	##000000
##66F5E7	1.00	1.33	15.78	15.78
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.78	21.00	1.00	1.00
##000000	15.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9E9E7

Deuteranopia (green-blind)

#D3D8E9

Tritanopia (blue-blind)

#00FAF0

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #66f5e7;
/* rgb */ color: rgb(102, 245, 231);
/* oklch */ color: oklch(88.9% 0.125 186.3);

Tailwind

colors: {
  custom: {
    50: '#9ff9ee',
    500: '#66f5e7',
    950: '#000000',
  },
}

SCSS

$custom: #66f5e7;
$custom-light: #9ff9ee;
$custom-dark: #000000;

JSON

{
  "hex": "#66f5e7",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 231
  },
  "hsl": {
    "h": 174.126,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.88872,
    "c": 0.12471,
    "h": 186.3
  },
  "luminance": 0.73899
}

Semantic roles & 50–950 ramp

primary

#66F5E7

secondary

#CE3141

accent

#0117E4

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101716

muted

#818585

Preview Lab

Preview with #66F5E7

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

Preview Lab → · Contrast checker → · Palette generator →