#66F3DF#66F3DF

#66F3DF is a very light, vivid teal. Relative luminance 0.723; OKLCH L 88.2% C 0.125 H 182.5°. Best body text is #000000 at 15.45:1 contrast (WCAG AA passes).

Color values

HEX	#66F3DF
RGB	rgb(102, 243, 223)
HSL	hsl(171, 85%, 68%)
HSV	hsv(171, 58%, 95%)
CMYK	cmyk(58%, 0%, 8.2%, 4.7%)
CIE-LAB	lab(88.09, -42.77, -1.80)
CIE-LCH	lch(88.09, 42.81, 182.42°)
OKLab	oklab(88.17% -0.1253 -0.0055)
OKLCH	oklch(88.17% 0.125 182.5)
XYZ	xyz(50.8434, 72.2485, 81.0636)
Luminance	0.7225 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F3DF #F3667A

analogous

#66F398 #66F3DF #66C1F3

triadic

#66F3DF #DF66F3 #F3DF66

tetradic

#66F3DF #9866F3 #F3667A #C1F366

square

#66F3DF #9866F3 #F3667A #C1F366

split-complementary

#66F3DF #F366C1 #F39866

monochromatic

#10CEB3 #2DEFD3 #66F3DF #9FF7EB #D7FCF7

Accessibility & contrast

On white

1.36

#66F3DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.45

#66F3DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F3DF

15.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F3DF	#FFFFFF	#000000	##000000
##66F3DF	1.00	1.36	15.45	15.45
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.45	21.00	1.00	1.00
##000000	15.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9E6DE

Deuteranopia (green-blind)

#D3D6E1

Tritanopia (blue-blind)

#00F7ED

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #66f3df;
/* rgb */ color: rgb(102, 243, 223);
/* oklch */ color: oklch(88.2% 0.125 182.5);

Tailwind

colors: {
  custom: {
    50: '#9ef7e8',
    500: '#66f3df',
    950: '#000000',
  },
}

SCSS

$custom: #66f3df;
$custom-light: #9ef7e8;
$custom-dark: #000000;

JSON

{
  "hex": "#66f3df",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 223
  },
  "hsl": {
    "h": 171.489,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.88166,
    "c": 0.12543,
    "h": 182.5
  },
  "luminance": 0.72254
}

Semantic roles & 50–950 ramp

primary

#66F3DF

secondary

#CA3348

accent

#0423E2

background

#FDFFFE

surface

#F7FFFC

border

#D0D7D5

text

#101716

muted

#818584

Preview Lab

Preview with #66F3DF

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

Preview Lab → · Contrast checker → · Palette generator →