#66F6F9#66F6F9

#66F6F9 is a very light, vivid teal. Relative luminance 0.756; OKLCH L 89.7% C 0.123 H 197.1°. Best body text is #000000 at 16.12:1 contrast (WCAG AA passes).

Color values

HEX	#66F6F9
RGB	rgb(102, 246, 249)
HSL	hsl(181, 92%, 69%)
HSV	hsv(181, 59%, 98%)
CMYK	cmyk(59%, 1.2%, 0%, 2.4%)
CIE-LAB	lab(89.66, -37.45, -13.05)
CIE-LCH	lch(89.66, 39.65, 199.21°)
OKLab	oklab(89.68% -0.1175 -0.0362)
OKLCH	oklch(89.68% 0.123 197.1)
XYZ	xyz(55.5268, 75.5701, 101.2643)
Luminance	0.7558 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F6F9 #F96966

analogous

#66F9B2 #66F6F9 #66ADF9

triadic

#66F6F9 #F966F6 #F6F966

tetradic

#66F6F9 #B266F9 #F96966 #ADF966

square

#66F6F9 #B266F9 #F96966 #ADF966

split-complementary

#66F6F9 #F966AD #F9B266

monochromatic

#09D8DC #2BF3F7 #66F6F9 #A1F9FB #DCFDFE

Accessibility & contrast

On white

1.30

#66F6F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.12

#66F6F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F6F9

16.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F6F9	#FFFFFF	#000000	##000000
##66F6F9	1.00	1.30	16.12	16.12
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.12	21.00	1.00	1.00
##000000	16.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7EBFA

Deuteranopia (green-blind)

#CFDAFA

Tritanopia (blue-blind)

#00FEF6

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #66f6f9;
/* rgb */ color: rgb(102, 246, 249);
/* oklch */ color: oklch(89.7% 0.123 197.1);

Tailwind

colors: {
  custom: {
    50: '#a0f9fb',
    500: '#66f6f9',
    950: '#000000',
  },
}

SCSS

$custom: #66f6f9;
$custom-light: #a0f9fb;
$custom-dark: #000000;

JSON

{
  "hex": "#66f6f9",
  "rgb": {
    "r": 102,
    "g": 246,
    "b": 249
  },
  "hsl": {
    "h": 181.224,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.89675,
    "c": 0.12292,
    "h": 197.1
  },
  "luminance": 0.75576
}

Semantic roles & 50–950 ramp

primary

#66F6F9

secondary

#D33430

accent

#0500E6

background

#FDFFFF

surface

#F7FFFF

border

#D0D7D7

text

#101717

muted

#818585

Preview Lab

Preview with #66F6F9

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

Preview Lab → · Contrast checker → · Palette generator →