#66F9EE#66F9EE

#66F9EE is a very light, vivid teal. Relative luminance 0.767; OKLCH L 90.0% C 0.126 H 188.3°. Best body text is #000000 at 16.35:1 contrast (WCAG AA passes).

Color values

HEX	#66F9EE
RGB	rgb(102, 249, 238)
HSL	hsl(176, 92%, 69%)
HSV	hsv(176, 59%, 98%)
CMYK	cmyk(59%, 0%, 4.4%, 2.4%)
CIE-LAB	lab(90.20, -41.67, -6.51)
CIE-LCH	lch(90.20, 42.18, 188.88°)
OKLab	oklab(90.01% -0.1251 -0.0183)
OKLCH	oklch(90.01% 0.126 188.3)
XYZ	xyz(54.7809, 76.7435, 92.7983)
Luminance	0.7675 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F9EE #F96671

analogous

#66F9A5 #66F9EE #66BBF9

triadic

#66F9EE #EE66F9 #F9EE66

tetradic

#66F9EE #A566F9 #F96671 #BBF966

square

#66F9EE #A566F9 #F96671 #BBF966

split-complementary

#66F9EE #F966BB #F9A566

monochromatic

#09DCCC #2BF7E7 #66F9EE #A1FBF5 #DCFEFB

Accessibility & contrast

On white

1.28

#66F9EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.35

#66F9EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F9EE

16.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F9EE	#FFFFFF	#000000	##000000
##66F9EE	1.00	1.28	16.35	16.35
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.35	21.00	1.00	1.00
##000000	16.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECEDEE

Deuteranopia (green-blind)

#D6DCF0

Tritanopia (blue-blind)

#00FFF5

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #66f9ee;
/* rgb */ color: rgb(102, 249, 238);
/* oklch */ color: oklch(90.0% 0.126 188.3);

Tailwind

colors: {
  custom: {
    50: '#a0fcf3',
    500: '#66f9ee',
    950: '#000000',
  },
}

SCSS

$custom: #66f9ee;
$custom-light: #a0fcf3;
$custom-dark: #000000;

JSON

{
  "hex": "#66f9ee",
  "rgb": {
    "r": 102,
    "g": 249,
    "b": 238
  },
  "hsl": {
    "h": 175.51,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.90013,
    "c": 0.12639,
    "h": 188.3
  },
  "luminance": 0.76749
}

Semantic roles & 50–950 ramp

primary

#66F9EE

secondary

#D3303D

accent

#0011E6

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101717

muted

#818585

Preview Lab

Preview with #66F9EE

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

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