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How Color Affects Taste and Smell

This question pertains to the condition known as synaesthesia. This condition describes how our senses work together. For example - with respect to sight, taste and smell - seeing a color may evoke any number of other sensations. Green may be evocative of the smell of grass, lemon yellow may evoke a sour taste.

This is best understood by the fact that each sense has a pathway to the brain. These paths are parallel to each other.


However, in some situations, a cross over from one pathway to the other occurs. Seeing the color yellow-green may evoke taste sensations of sourness; pink may evoke sweetness. Seeing the color grey may evoke olefactory (smell) sensations of smokiness.


We all have some degree of synaesthesia. However, a person with a strong sense of synaesthesia senses stimuli different from a "normal" person. For example, to the person with synaesthesia, a color might have a "taste", a sound might be "felt", and a food might be "heard".

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Here are some web sites that will provide much more information :

Blue Beef and Violins
The taste of beef, such as a steak, produces a rich blue. When she hears violins, she also feels them on her face.

Synaesthesia - Doctor Hugo || Museums of the Mind ||
New media org. for art & mind research
Belgian Synaesthesia Association [BSA]

Synesthesia in Art and Science

Synaesthesia ( Links and references)
Letters + colours
Sounds + synesthesia

Color and Odors

Color Harmony for Your Home


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