#66F6FB#66F6FB

#66F6FB is a very light, vivid teal. Relative luminance 0.757; OKLCH L 89.7% C 0.123 H 198.4°. Best body text is #000000 at 16.14:1 contrast (WCAG AA passes).

Color values

HEX	#66F6FB
RGB	rgb(102, 246, 251)
HSL	hsl(182, 95%, 69%)
HSV	hsv(182, 59%, 98%)
CMYK	cmyk(59.4%, 2%, 0%, 1.6%)
CIE-LAB	lab(89.72, -36.91, -14.01)
CIE-LCH	lch(89.72, 39.48, 200.78°)
OKLab	oklab(89.74% -0.1167 -0.0388)
OKLCH	oklch(89.74% 0.123 198.4)
XYZ	xyz(55.8404, 75.6955, 102.9159)
Luminance	0.7570 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F6FB #FB6B66

analogous

#66FBB5 #66F6FB #66ACFB

triadic

#66F6FB #FB66F6 #F6FB66

tetradic

#66F6FB #B566FB #FB6B66 #ACFB66

square

#66F6FB #B566FB #FB6B66 #ACFB66

split-complementary

#66F6FB #FB66AC #FBB566

monochromatic

#06D9E1 #2AF2F9 #66F6FB #A2FAFD #DDFDFE

Accessibility & contrast

On white

1.30

#66F6FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.14

#66F6FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F6FB

16.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F6FB	#FFFFFF	#000000	##000000
##66F6FB	1.00	1.30	16.14	16.14
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.14	21.00	1.00	1.00
##000000	16.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6ECFC

Deuteranopia (green-blind)

#CFDAFC

Tritanopia (blue-blind)

#00FEF7

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #66f6fb;
/* rgb */ color: rgb(102, 246, 251);
/* oklch */ color: oklch(89.7% 0.123 198.4);

Tailwind

colors: {
  custom: {
    50: '#a0f9fc',
    500: '#66f6fb',
    950: '#000000',
  },
}

SCSS

$custom: #66f6fb;
$custom-light: #a0f9fc;
$custom-dark: #000000;

JSON

{
  "hex": "#66f6fb",
  "rgb": {
    "r": 102,
    "g": 246,
    "b": 251
  },
  "hsl": {
    "h": 182.013,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.89742,
    "c": 0.12294,
    "h": 198.4
  },
  "luminance": 0.75701
}

Semantic roles & 50–950 ramp

primary

#66F6FB

secondary

#D53630

accent

#0800E6

background

#FDFFFF

surface

#F7FFFF

border

#D0D7D7

text

#101717

muted

#818585

Preview Lab

Preview with #66F6FB

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

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