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What colour can tell you about wine

 

When drinking or tasting wine most people focus only on the smell and the taste of it, ignoring what ought to be the first step – looking at the wine’s colour and its general appearance. You might think that choosing red, white or rosé is all you need to think about in terms of the colour of wine but in fact the colour can give you a number of clues about the wine’s age, style, grape and even where it was produced. In blind and non-blind tastings sommeliers and wine experts always start by looking at the wine in the glass. Here’s how and why…

 

Three glasses of wine, one red, one rosé and one white

How to assess a wine's colour

Look at the colour of the wine in a clear glass against a white background. Pouring wine only until the glass is a quarter or a third full means you can safely tip the wine glass to look at the colour without spilling any wine.


What gives wine its colour?

The colour of wine derives primarily from phenolic pigments found in the grape skins (the juice of most grapes, red, white or pink, is actually clear). There are more colour pigments in the skins of some grapes than in others so grape variety has some impact.

Interaction with oxygen during the wine-making process can also make the grape juice become darker but with careful treatment of the juice and/ or the addition of sulphur dioxide (you can find out more in my blog on sulphites in wine) this risk can be minimised.

Ageing or even fermenting a wine whether red, rosé or white, in oak, will alter the colour. Partly this is because of the slight oxidation that occurs when a wine is aged in oak barrels but also due to chemical reactions between the juice/ wine and the oak. Similarly aging a wine even in bottle means there will be some, albeit minimal, exposure to oxygen which will change the wine’s colour.

 

With age a white wine becomes darker whereas a red wine’s colour breaks down and so it becomes lighter.

The thicker the grape skin and the longer a wine is left on the grape skins (a process called maceration), the darker a wine will become. Similarly a harsh or heavy grape pressing will mean that more colour is extracted from the skins. Most reputable wine makers tend to press gently these days, mainly to avoid too much bitterness from the pips and stalks entering the juice.

In addition, for red wines, acidity has an effect on the colour; generally the higher the acidity the brighter, lighter red a wine is likely to be. This can also help in ascertaining the climate of the region a wine was produced in and therefore the origin of a wine. Cooler climate wine would generally have less ripe grapes and, if you remember from my blog on acidity in wine, therefore tends to have more acidity.

Wines from cooler regions are lighter both in colour and in body. Conversely wines with lower acidity from riper grapes grown in warm climate regions tend to be bigger and more full-bodied with deeper colour.

 

The colours of white wine

White wines are not white at all but range through a long list of shades from a pale lemon colour with green notes through different shades of gold to orange. White wines have tended to become paler over recent years as wine-making processes have improved; in particular there are now only very rare occurrences of over-oxidation which can cause deep gold to brown shades of white wine.

 

Paler white wines towards the lemon-green and lemon end of the spectrum are likely to be:

  • young
  • light in body
  • dry
  • with fruit & floral characteristics
  • unoaked and
  • from cooler climate regions

 

More gold-coloured white wines are more likely to be:

  • older
  • richer
  • fuller-bodied
  • aged or fermented in oak (or on their lees or yeasts)
  • with fruit and some spicy and even bready characteristics
  • from warmer regions

 

Amber or orange white wines are more likely to be:

  • sweeter or sweet especially if produced from much riper or and even botrytised grapes
  • even richer and fuller in body
  • possibly intentionally oxidised like sherry and orange wines
  • older, possibly past their best if they have been left too long and have oxidised too much

 

By the way, I tend to find that people who say they get headaches from white wine prefer to drink the lighter coloured wines. I do wonder whether there is something in oak that might not agree with some people…

 

The colours of red wine

There are many hues of red wine, perhaps more than for white wine, or perhaps simply more distinguishable. To keep things simple, red wines can range from bluey purple through crimson reds to browner shades of red to brown itself e.g. in tawny port.

Two glasses of red wine, one being poured from a bottle

Red wines at the purple and light red end of the spectrum are more likely to be

  • very young possibly too young
  • lighter in body
  • higher in acidity
  • with fruity characteristics
  • low in tannins
  • unoaked
  • from cooler climate regions

A garnet-coloured wine which is a deep red with brick-coloured hues is more likely to be

  • older
  • medium to full bodied
  • lower in acidity
  • fruity but also with vanilla and toasty characteristics
  • more tannic though in good wine these will have softened over time
  • oaked
  • from warmer climate regions

A red wine at the tawny or brown end of the spectrum is likely to be

  • aged
  • round and full-bodied
    rich
  • nutty with dried fruit characteristics
  • oaked
  • fortified like port
  • and potentially past its best if not fortified 

The colours of rosé wine

Colour chrt of rosé wine colours ranging from pale pink through to salmon pink

Rosé wines can range from the most delicate pink through salmon pink hues to orange. They take their colour from the black grapes used in their production – particularly important is the length of time the juice is left on the skins for extraction of the colour. In recent times the preference seems to be the paler Provence-style rosés.

Pale pink rosé wine is likely to be

  • dry
  • crisp with high acidity
  • with summer fruit flavours
  • light bodied
  • unoaked
  • from cooler climate areas

 

Rosés that veer towards salmon-pink and orange are more likely to be

  • medium-bodied
  • possibly oak-aged
  • possibly off dry like Blush the preferred style in the USA
  • with riper fruit and spicy characteristics

 

You can read more about rosé in my guide to rosé wine.

The MORE UNUSUAL Colours of wines

A glass of orange wine and two glasses of blue-coloured wine being poured

There are a couple of colours of wine not yet mentioned – orange wine and blue wine. Yes, really. I’ll cover these in another blogpost as they are not (yet?) mainstream although orange wine definitely has its fans.

 

I don’t have the space in this blog to cover other visual observations that can be made about wine e.g. colour intensity, clarity, deposits, legs etc. The lack of space has also meant that I have had to make some broad generalisations. Nevertheless colour is an important factor for sommeliers and wine experts when asked to taste a wine blind. Once they look at the clues, combine their thoughts on the colour of a wine with an analysis of the aromas and flavours, they can usually make a good guess on the origin of the wine.

 

Cheers!

I am passionate about good quality wine and set up Wines With Attitude to share that passion with other wine lovers. If you’re feeling sociable why not follow me on social media or share my blog with others?

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