#66F3F4#66F3F4

#66F3F4 is a very light, vivid teal. Relative luminance 0.735; OKLCH L 88.8% C 0.121 H 195.8°. Best body text is #000000 at 15.69:1 contrast (WCAG AA passes).

Color values

HEX	#66F3F4
RGB	rgb(102, 243, 244)
HSL	hsl(180, 87%, 68%)
HSV	hsv(180, 58%, 96%)
CMYK	cmyk(58.2%, 0.4%, 0%, 4.3%)
CIE-LAB	lab(88.66, -37.40, -11.93)
CIE-LCH	lch(88.66, 39.25, 197.69°)
OKLab	oklab(88.82% -0.1165 -0.0331)
OKLCH	oklch(88.82% 0.121 195.8)
XYZ	xyz(53.8522, 73.4520, 96.9100)
Luminance	0.7346 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F3F4 #F46766

analogous

#66F4AE #66F3F4 #66ACF4

triadic

#66F3F4 #F466F3 #F3F466

tetradic

#66F3F4 #AE66F4 #F46766 #ACF466

square

#66F3F4 #AE66F4 #F46766 #ACF466

split-complementary

#66F3F4 #F466AC #F4AE66

monochromatic

#0FCFD1 #2DEFF0 #66F3F4 #9FF7F8 #D8FCFC

Accessibility & contrast

On white

1.34

#66F3F4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.69

#66F3F4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F3F4

15.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F3F4	#FFFFFF	#000000	##000000
##66F3F4	1.00	1.34	15.69	15.69
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.69	21.00	1.00	1.00
##000000	15.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4E8F4

Deuteranopia (green-blind)

#CED7F5

Tritanopia (blue-blind)

#00FAF3

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #66f3f4;
/* rgb */ color: rgb(102, 243, 244);
/* oklch */ color: oklch(88.8% 0.121 195.8);

Tailwind

colors: {
  custom: {
    50: '#a0f7f7',
    500: '#66f3f4',
    950: '#000000',
  },
}

SCSS

$custom: #66f3f4;
$custom-light: #a0f7f7;
$custom-dark: #000000;

JSON

{
  "hex": "#66f3f4",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 244
  },
  "hsl": {
    "h": 180.423,
    "s": 86.585,
    "l": 67.843
  },
  "oklch": {
    "l": 0.88822,
    "c": 0.12109,
    "h": 195.8
  },
  "luminance": 0.73458
}

Semantic roles & 50–950 ramp

primary

#66F3F4

secondary

#CC3332

accent

#0402E3

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101717

muted

#818585

Preview Lab

Preview with #66F3F4

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

Preview Lab → · Contrast checker → · Palette generator →