Evidence Concerning the Importance of Perceived Brand Differentiation - Romanuik, Jenni, Byron Sharp, and Andrew Ehrenberg (2007)
 Color and Psychological Functioning: A Review of Theoretical and Empirical Work - Andrew J. Elliot 2015
 The Interactive Effects of Colors and Products on Perceptions of Brand Logo Appropriateness. -Paul A. Bottomley & John R. Doyle 2006
Customers don’t "fall in love" with brands, marketers don't need to "differentiate or die," and advertising a "brand purpose" has no impact on growth.
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