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Aqua vs Cyan: What's the Difference?

Aqua and Cyan are the same color in RGB — both are #00FFFF. Any difference is in the name alone. Aqua and Cyan are identical in web CSS — both are #00FFFF. Historically cyan is the CMYK printing primary while aqua is the fashion/design name for water-colored blue-green. On screen they're the exact same pixels.

Aqua#00FFFF
Cyan#00FFFF
#00FFFFBlended: #00FFFF#00FFFF
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Aqua vs Cyan: Key Differences at a Glance

Aspect Aqua Cyan
Web hex#00FFFF — identical#00FFFF — identical
ContextFashion, design, water themesPrinting, technical, scientific
OriginLatin 'aqua' (water)Greek 'kyanos' (dark blue)
CSS keywordaqua (primary in HTML 4)cyan (alias added later)
In print (CMYK)(not a print primary)C in CMYK — primary ink
Common useSwimwear, water brands, poolsPrinting, tech, diagrams

Can you use Aqua and Cyan together?

Cyan text on Aqua
Aqua text on Cyan
Contrast Ratio:1.00:1Insufficient Contrast

How to Tell Aqua and Cyan Apart

  • ●On screen they're pixel-identical — both resolve to #00FFFF in CSS.
  • ●Call it 'aqua' in fashion/design and 'cyan' in print/tech — the word choice signals context.
  • ●In print, 'cyan' refers to the specific CMYK ink which looks slightly different from screen cyan.
  • ●HTML 4 (1997) named it 'aqua'; CSS later added 'cyan' as an equivalent keyword.

Origin of Aqua and Cyan

Aqua

Aqua as a color name dates to 1598 English, from Latin 'aqua' meaning water, specifically the clear pale blue-green of Mediterranean and Caribbean waters.

Cyan

Cyan entered English in 1879, from Greek 'kyanos' (originally meaning a dark blue enamel used in ancient Greece). It became central to color science as RGB and CMYK systems standardized in the 20th century.

When to Use Aqua vs Cyan in Design

Use Aqua for:
●Cool, techy, digital branding
●Water, ice, cleaning products
●Fresh modern UI accents
●Summer and tropical themes
●Youthful playful design
Use Cyan for:
●Cool, techy, digital branding
●Water, ice, cleaning products
●Fresh modern UI accents
●Summer and tropical themes
●Youthful playful design

Aqua and Cyan Hex Codes, RGB & HSL

Aqua#00FFFF

Aqua is a bright blue-green (RGB 0,255,255) named after Latin 'aqua' (water) — the color of clear tropical water. In CSS it's an alias for cyan, making it web-identical.

HEX
RGB
HSL
HSV
CMYK
PANTONE
Shades
Tints
Cyan#00FFFF

Cyan is a bright blue-green (RGB 0,255,255) — one of the four CMYK printing primaries and an additive RGB secondary. Identical to aqua on screen; different connotation in print and science.

HEX
RGB
HSL
HSV
CMYK
PANTONE
Shades
Tints

Aqua and Cyan WCAG Contrast Ratios

Text legibility depends on the contrast ratio between foreground and background. WCAG 2.1 AA requires at least 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Use these numbers to choose accessible combinations for your design.

Sample text preview
Aqua text on white
1.25:1Fail
Sample text preview
Aqua text on black
16.75:1AAA
Sample text preview
Cyan text on white
1.25:1Fail
Sample text preview
Cyan text on black
16.75:1AAA
Sample text preview
Aqua text on Cyan
1:1Fail
Sample text preview
Cyan text on Aqua
1:1Fail

Explore Aqua and Cyan individually

Each color has a dedicated page with shades, tints, CSS name, pairings, and color psychology.

Aqua color page#00FFFF · shades, tints, pairingsCyan color page#00FFFF · shades, tints, pairings

More Aqua and Cyan Comparisons

TealvsTurquoiseCyanvsTurquoiseAquavsTurquoiseAquavsTealCyanvsBlueTealvsCyanMintvsAquaTealvsAquaMintvsCyanCyanvsAquaAquavsPewterCyanvsPewter

Aqua vs Cyan FAQ

What is the difference between aqua and cyan?+
Aqua and Cyan are the same color in RGB — both are #00FFFF. Any difference is in the name alone. Aqua and Cyan are identical in web CSS — both are #00FFFF. Historically cyan is the CMYK printing primary while aqua is the fashion/design name for water-colored blue-green. On screen they're the exact same pixels.
Is aqua darker than cyan?+
No. Aqua and Cyan are the same color — both are #00FFFF with a lightness of 50% in HSL.
Are aqua and cyan the same color?+
Yes. Aqua and Cyan share the same hex code (#00FFFF) and the same RGB values — they are the same color under different names.
Which is more saturated, aqua or cyan?+
Neither — both colors share the same saturation of 100% because they have the same hex code.
Is aqua warm or cool?+
Aqua (#00FFFF) is a cool cyan. Its hue sits at 180° on the color wheel, which places it in the cool range.
Is cyan warm or cool?+
Cyan (#00FFFF) is a cool cyan. Its hue sits at 180° on the color wheel, which places it in the cool range.
Can you use aqua and cyan together?+
Yes. Both aqua and cyan are cyan shades, so they pair naturally in a monochromatic palette. Use cyan as the dominant color and aqua as the accent or highlight.
What color family does aqua belong to?+
Aqua belongs to the cyan family. Its HSL is 180°, 100%, 50% — a cool tone within the broader cyan group.
What is the hex code for aqua?+
The hex code for Aqua is #00FFFF. In RGB, that's rgb(0, 255, 255), and in HSL it's hsl(180, 100%, 50%).
What is the hex code for cyan?+
The hex code for Cyan is #00FFFF. In RGB, that's rgb(0, 255, 255), and in HSL it's hsl(180, 100%, 50%).