Palettes / Colors / #66FFFA

#66FFFA — Light Vivid Teal

#66FFFA is a teal color we call Light Vivid Teal, closest to the named color Aquamarine (#7FFFD4). It belongs to the teal family.

Color name

Closest CSS keyword: aquamarine (#7FFFD4) — not an exact match. CSS aquamarine gives you #7FFFD4, a different color; use #66FFFA when you need this exact shade.

Sources: common names follow widely used color-name references; CSS keywords and their hex values follow the CSS Color specification.

#66FFFA 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 #FF666B; it also sits naturally between #66FFAD and #66B8FF. 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 100% · Blue 98%

Cyan 60% · Magenta 0% · Yellow 2% · Key 0%

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

Previews

CSS code for #66FFFA

.text { color: #66FFFA; }
.background { background-color: #66FFFA; }
.border { border: 3px solid #66FFFA; }
.text-rgb { color: rgb(102, 255, 250); }
.text-hsl { color: hsl(178, 100%, 70%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #66FFFA; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(102, 255, 250, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #66FFFA; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(102, 255, 250, 0.8); }

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

Shades of #66FFFA

Tints of #66FFFA

Tones of #66FFFA

Color harmonies

Complementary — #FF666B:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #66FFFA: #000000.

Semi-transparent (opacity) text on #66FFFA

Text set with opacity blends into the background, so its real contrast is lower than the solid ratios above. Choose a text color and an opacity to see the blended color and its true ratio:

How #66FFFA 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 #66FFFA 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

← #66FFF9  ·  #66FFFB →

Frequently asked questions

What color is #66FFFA?

#66FFFA is Light Vivid Teal, a teal color (RGB 102, 255, 250). Its closest standard named color is Aquamarine.

What is the RGB and HSL of #66FFFA?

#66FFFA is RGB 102, 255, 250 — HSL 178°, 100%, 70% — CMYK 60%, 0%, 2%, 0%.

What colors go with #66FFFA?

Its complement is #FF666B; analogous partners are #66FFAD and #66B8FF. It also appears in 6+ palettes in our collection.

Can I use #66FFFA for text?

Black text on #66FFFA has a contrast ratio of 17.25:1 (passes WCAG AA); white text gives 1.22:1.