Palettes / Colors / #51ECFB

#51ECFB — Vivid Teal

#51ECFB is a teal color we call Vivid Teal, closest to the named color Turquoise (#40E0D0). It belongs to the teal family.

Color name

Closest CSS keyword: turquoise (#40E0D0) — not an exact match. CSS turquoise gives you #40E0D0, a different color; use #51ECFB 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.

#51ECFB 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 #FB5E50; it also sits naturally between #50FBB4 and #5097FB. 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 32% · Green 93% · Blue 98%

Cyan 68% · Magenta 6% · Yellow 0% · Key 2%

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

Previews

CSS code for #51ECFB

.text { color: #51ECFB; }
.background { background-color: #51ECFB; }
.border { border: 3px solid #51ECFB; }
.text-rgb { color: rgb(81, 236, 251); }
.text-hsl { color: hsl(185, 96%, 65%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #51ECFB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(81, 236, 251, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #51ECFB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(81, 236, 251, 0.8); }

HTML: <p style="color:#51ECFB">Text here</p> · <div style="background-color:#51ECFB">Div content here</div>

Shades of #51ECFB

Tints of #51ECFB

Tones of #51ECFB

Color harmonies

Complementary — #FB5E50:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #51ECFB: #000000.

Semi-transparent (opacity) text on #51ECFB

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 #51ECFB 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 #51ECFB 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

← #51ECFA  ·  #51ECFC →

Frequently asked questions

What color is #51ECFB?

#51ECFB is Vivid Teal, a teal color (RGB 81, 236, 251). Its closest standard named color is Turquoise.

What is the RGB and HSL of #51ECFB?

#51ECFB is RGB 81, 236, 251 — HSL 185°, 96%, 65% — CMYK 68%, 6%, 0%, 2%.

What colors go with #51ECFB?

Its complement is #FB5E50; analogous partners are #50FBB4 and #5097FB. It also appears in 6+ palettes in our collection.

Can I use #51ECFB for text?

Black text on #51ECFB has a contrast ratio of 14.74:1 (passes WCAG AA); white text gives 1.42:1.