Palettes / Colors / #01EFEF

#01EFEF — Vivid Teal

#01EFEF is a teal color we call Vivid Teal, closest to the named color Aqua (#00FFFF). It belongs to the teal family.

Color name

Closest CSS keyword: aqua (#00FFFF) — not an exact match. CSS aqua gives you #00FFFF, a different color; use #01EFEF 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.

#01EFEF 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 #EF0101; it also sits naturally between #01EF78 and #0178EF. 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 0% · Green 94% · Blue 94%

Cyan 100% · Magenta 0% · Yellow 0% · Key 6%

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

Previews

CSS code for #01EFEF

.text { color: #01EFEF; }
.background { background-color: #01EFEF; }
.border { border: 3px solid #01EFEF; }
.text-rgb { color: rgb(1, 239, 239); }
.text-hsl { color: hsl(180, 99%, 47%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #01EFEF; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(1, 239, 239, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #01EFEF; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(1, 239, 239, 0.8); }

HTML: <p style="color:#01EFEF">Text here</p> · <div style="background-color:#01EFEF">Div content here</div>

Shades of #01EFEF

Tints of #01EFEF

Tones of #01EFEF

Color harmonies

Complementary — #EF0101:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #01EFEF: #000000.

Semi-transparent (opacity) text on #01EFEF

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 #01EFEF 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 #01EFEF 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

← #01EFEE  ·  #01EFF0 →

Frequently asked questions

What color is #01EFEF?

#01EFEF is Vivid Teal, a teal color (RGB 1, 239, 239). Its closest standard named color is Aqua.

What is the RGB and HSL of #01EFEF?

#01EFEF is RGB 1, 239, 239 — HSL 180°, 99%, 47% — CMYK 100%, 0%, 0%, 6%.

What colors go with #01EFEF?

Its complement is #EF0101; analogous partners are #01EF78 and #0178EF. It also appears in 6+ palettes in our collection.

Can I use #01EFEF for text?

Black text on #01EFEF has a contrast ratio of 14.59:1 (passes WCAG AA); white text gives 1.44:1.