#66F4EF#66F4EF

#66F4EF is a very light, vivid teal. Relative luminance 0.738; OKLCH L 88.9% C 0.122 H 192.0°. Best body text is #000000 at 15.75:1 contrast (WCAG AA passes).

Color values

HEX	#66F4EF
RGB	rgb(102, 244, 239)
HSL	hsl(178, 87%, 68%)
HSV	hsv(178, 58%, 96%)
CMYK	cmyk(58.2%, 0%, 2%, 4.3%)
CIE-LAB	lab(88.81, -39.16, -9.11)
CIE-LCH	lch(88.81, 40.21, 193.09°)
OKLab	oklab(88.89% -0.1196 -0.0253)
OKLCH	oklch(88.89% 0.122 192)
XYZ	xyz(53.4034, 73.7526, 93.0659)
Luminance	0.7376 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F4EF #F4666B

analogous

#66F4A8 #66F4EF #66B2F4

triadic

#66F4EF #EF66F4 #F4EF66

tetradic

#66F4EF #A866F4 #F4666B #B2F466

square

#66F4EF #A866F4 #F4666B #B2F466

split-complementary

#66F4EF #F466B2 #F4A866

monochromatic

#0FD1CA #2DF0E9 #66F4EF #9FF8F5 #D8FCFB

Accessibility & contrast

On white

1.33

#66F4EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.75

#66F4EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F4EF

15.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F4EF	#FFFFFF	#000000	##000000
##66F4EF	1.00	1.33	15.75	15.75
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.75	21.00	1.00	1.00
##000000	15.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7E9EF

Deuteranopia (green-blind)

#D0D8F0

Tritanopia (blue-blind)

#00FAF2

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #66f4ef;
/* rgb */ color: rgb(102, 244, 239);
/* oklch */ color: oklch(88.9% 0.122 192.0);

Tailwind

colors: {
  custom: {
    50: '#9ff8f4',
    500: '#66f4ef',
    950: '#000000',
  },
}

SCSS

$custom: #66f4ef;
$custom-light: #9ff8f4;
$custom-dark: #000000;

JSON

{
  "hex": "#66f4ef",
  "rgb": {
    "r": 102,
    "g": 244,
    "b": 239
  },
  "hsl": {
    "h": 177.887,
    "s": 86.585,
    "l": 67.843
  },
  "oklch": {
    "l": 0.8889,
    "c": 0.12222,
    "h": 192
  },
  "luminance": 0.73758
}

Semantic roles & 50–950 ramp

primary

#66F4EF

secondary

#CC3237

accent

#020AE3

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101717

muted

#818585

Preview Lab

Preview with #66F4EF

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

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