Palettes / Colors / #66DEFF

#66DEFF — Light Vivid Teal

#66DEFF is a teal color we call Light Vivid Teal, closest to the named color LightSkyBlue (#87CEFA). It belongs to the teal family.

#66DEFF is a cool teal color associated with freshness, clarity and balance. It is saturated enough to be the accent — buttons, highlights and calls to action — while neutrals do the quiet work around it.

Its strongest partner is its complement #FF8766; it also sits naturally between #66FFD4 and #6691FF. In the palettes below you can see it working alongside real color combinations from our collection.

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Color values

RGB & CMYK percentages

Red 40% · Green 87% · Blue 100%

Cyan 60% · Magenta 13% · Yellow 0% · Key 0%

CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.

Previews

CSS code for #66DEFF

.text { color: #66DEFF; }
.background { background-color: #66DEFF; }
.border { border: 3px solid #66DEFF; }
.text-rgb { color: rgb(102, 222, 255); }
.text-hsl { color: hsl(193, 100%, 70%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #66DEFF; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(102, 222, 255, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #66DEFF; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(102, 222, 255, 0.8); }

HTML: <p style="color:#66DEFF">Text here</p> · <div style="background-color:#66DEFF">Div content here</div>

Shades of #66DEFF

Tints of #66DEFF

Tones of #66DEFF

Color harmonies

Complementary — #FF8766:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #66DEFF: #000000.

How #66DEFF looks with color blindness

Simulated with standard Machado color-vision-deficiency matrices — useful when this color carries meaning in charts, maps or interfaces:

Closest design-system colors

The nearest matches in the Tailwind CSS, Material Design and Bootstrap palettes — handy when you need a framework class instead of a raw hex:

Palettes with a similar color

These palettes use a close neighbour of #66DEFF rather than the exact color:

Similar colors

The closest colors that actually appear in our palette collection — click any to open its page:

Browse neighbouring colors

← #66DEFE  ·  #66DF00 →

Frequently asked questions

What color is #66DEFF?

#66DEFF is Light Vivid Teal, a teal color (RGB 102, 222, 255). Its closest standard named color is LightSkyBlue.

What is the RGB and HSL of #66DEFF?

#66DEFF is RGB 102, 222, 255 — HSL 193°, 100%, 70% — CMYK 60%, 13%, 0%, 0%.

What colors go with #66DEFF?

Its complement is #FF8766; analogous partners are #66FFD4 and #6691FF. It also appears in 6+ palettes in our collection.

Can I use #66DEFF for text?

Black text on #66DEFF has a contrast ratio of 13.46:1 (passes WCAG AA); white text gives 1.56:1.