#66F3EE#66F3EE

#66F3EE is a very light, vivid teal. Relative luminance 0.731; OKLCH L 88.6% C 0.122 H 191.9°. Best body text is #000000 at 15.62:1 contrast (WCAG AA passes).

Color values

HEX	#66F3EE
RGB	rgb(102, 243, 238)
HSL	hsl(178, 85%, 68%)
HSV	hsv(178, 58%, 95%)
CMYK	cmyk(58%, 0%, 2.1%, 4.7%)
CIE-LAB	lab(88.49, -38.97, -9.05)
CIE-LCH	lch(88.49, 40.01, 193.07°)
OKLab	oklab(88.63% -0.119 -0.0252)
OKLCH	oklch(88.63% 0.122 191.9)
XYZ	xyz(52.9560, 73.0936, 92.1900)
Luminance	0.7310 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F3EE #F3666B

analogous

#66F3A7 #66F3EE #66B2F3

triadic

#66F3EE #EE66F3 #F3EE66

tetradic

#66F3EE #A766F3 #F3666B #B2F366

square

#66F3EE #A766F3 #F3666B #B2F366

split-complementary

#66F3EE #F366B2 #F3A766

monochromatic

#10CEC8 #2DEFE8 #66F3EE #9FF7F4 #D7FCFB

Accessibility & contrast

On white

1.34

#66F3EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.62

#66F3EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F3EE

15.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F3EE	#FFFFFF	#000000	##000000
##66F3EE	1.00	1.34	15.62	15.62
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.62	21.00	1.00	1.00
##000000	15.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6E8EE

Deuteranopia (green-blind)

#CFD7EF

Tritanopia (blue-blind)

#00F9F1

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #66f3ee;
/* rgb */ color: rgb(102, 243, 238);
/* oklch */ color: oklch(88.6% 0.122 191.9);

Tailwind

colors: {
  custom: {
    50: '#9ff7f3',
    500: '#66f3ee',
    950: '#000000',
  },
}

SCSS

$custom: #66f3ee;
$custom-light: #9ff7f3;
$custom-dark: #000000;

JSON

{
  "hex": "#66f3ee",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 238
  },
  "hsl": {
    "h": 177.872,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.88627,
    "c": 0.12159,
    "h": 191.9
  },
  "luminance": 0.73099
}

Semantic roles & 50–950 ramp

primary

#66F3EE

secondary

#CA3338

accent

#040BE2

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101717

muted

#818585

Preview Lab

Preview with #66F3EE

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

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