#66F9F9#66F9F9

#66F9F9 is a very light, vivid teal. Relative luminance 0.774; OKLCH L 90.4% C 0.125 H 195.2°. Best body text is #000000 at 16.48:1 contrast (WCAG AA passes).

Color values

HEX	#66F9F9
RGB	rgb(102, 249, 249)
HSL	hsl(180, 92%, 69%)
HSV	hsv(180, 59%, 98%)
CMYK	cmyk(59%, 0%, 0%, 2.4%)
CIE-LAB	lab(90.51, -38.82, -11.78)
CIE-LCH	lch(90.51, 40.56, 196.88°)
OKLab	oklab(90.36% -0.1205 -0.0327)
OKLCH	oklch(90.36% 0.125 195.2)
XYZ	xyz(56.4466, 77.4098, 101.5710)
Luminance	0.7742 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F9F9 #F96666

analogous

#66F9B0 #66F9F9 #66B0F9

triadic

#66F9F9 #F966F9 #F9F966

tetradic

#66F9F9 #B066F9 #F96666 #B0F966

square

#66F9F9 #B066F9 #F96666 #B0F966

split-complementary

#66F9F9 #F966B0 #F9B066

monochromatic

#09DCDC #2BF7F7 #66F9F9 #A1FBFB #DCFEFE

Accessibility & contrast

On white

1.27

#66F9F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.48

#66F9F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F9F9

16.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F9F9	#FFFFFF	#000000	##000000
##66F9F9	1.00	1.27	16.48	16.48
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.48	21.00	1.00	1.00
##000000	16.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAEEF9

Deuteranopia (green-blind)

#D3DCFA

Tritanopia (blue-blind)

#00FFF9

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #66f9f9;
/* rgb */ color: rgb(102, 249, 249);
/* oklch */ color: oklch(90.4% 0.125 195.2);

Tailwind

colors: {
  custom: {
    50: '#a1fbfb',
    500: '#66f9f9',
    950: '#000000',
  },
}

SCSS

$custom: #66f9f9;
$custom-light: #a1fbfb;
$custom-dark: #000000;

JSON

{
  "hex": "#66f9f9",
  "rgb": {
    "r": 102,
    "g": 249,
    "b": 249
  },
  "hsl": {
    "h": 180,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.90363,
    "c": 0.12485,
    "h": 195.2
  },
  "luminance": 0.77416
}

Semantic roles & 50–950 ramp

primary

#66F9F9

secondary

#D33030

accent

#0000E6

background

#FDFFFF

surface

#F7FFFF

border

#D0D7D7

text

#101717

muted

#818585

Preview Lab

Preview with #66F9F9

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

Preview Lab → · Contrast checker → · Palette generator →