Google does not give preference to color, it gives preference to the quality of the content in the article. According to the quality Google give page rank.If page rank increases then the visitor to your content also increases.
Colors have a very important role to play in a blog. they can change the whole meaning, please check (not a ref link please)
http://sem-group.net/search-engine-optimization-blog/the-role-of-colors-in-your-blogs-success/
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I heard google prefer colour for the webdesign, this is the first time i heart that it even prefer color for content also. Thank you rayansh for sharing this link
I can even specify about which color combinations are most preferred by google and they read them on priority basis. Red is their first choice and if it comes with cherry red to support, nothing to beat it.
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