Palettes / Colors / #668D91

#668D91 — Dusty Teal

#668D91 is a teal color we call Dusty Teal, closest to the named color SlateGray (#708090). It belongs to the teal family.

Color name

Closest CSS keyword: slategray (#708090) — not an exact match. CSS slategray gives you #708090, a different color; use #668D91 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.

#668D91 is a cool teal color associated with freshness, clarity and balance. It sits comfortably in the middle: usable for large areas in soft schemes, or as a supporting color beside something stronger.

Its strongest partner is its complement #8F6A66; it also sits naturally between #668F7F and #66768F. 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 55% · Blue 57%

Cyan 30% · Magenta 3% · Yellow 0% · Key 43%

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

Previews

CSS code for #668D91

.text { color: #668D91; }
.background { background-color: #668D91; }
.border { border: 3px solid #668D91; }
.text-rgb { color: rgb(102, 141, 145); }
.text-hsl { color: hsl(186, 17%, 48%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #668D91; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(102, 141, 145, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #668D91; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(102, 141, 145, 0.8); }

HTML: <p style="color:#668D91">Text here</p> · <div style="background-color:#668D91">Div content here</div>

Shades of #668D91

Tints of #668D91

Tones of #668D91

Color harmonies

Complementary — #8F6A66:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #668D91: #000000.

Semi-transparent (opacity) text on #668D91

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 #668D91 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 #668D91 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

← #668D90  ·  #668D92 →

Frequently asked questions

What color is #668D91?

#668D91 is Dusty Teal, a teal color (RGB 102, 141, 145). Its closest standard named color is SlateGray.

What is the RGB and HSL of #668D91?

#668D91 is RGB 102, 141, 145 — HSL 186°, 17%, 48% — CMYK 30%, 3%, 0%, 43%.

What colors go with #668D91?

Its complement is #8F6A66; analogous partners are #668F7F and #66768F. It also appears in 6+ palettes in our collection.

Can I use #668D91 for text?

Black text on #668D91 has a contrast ratio of 5.78:1 (passes WCAG AA); white text gives 3.63:1.