Purple and teal are out. Sedona red, Sonoran sand and black are in. The Arizona Diamondbacks debuted their new team colors, uniforms and logos on Wednesday night at a fashion show in Scottsdale, Ariz.

Yellow might be less common, but many fast food chains have red in their logo, and it's not entirely clear whether this goes beyond the fact that this particular color is eye-catching.

For example, a blue logo might evoke calmness and purple is often associated with luxury. Jenn David Connolly, a creative strategist who works with brands like Williams Sonoma, explains this ...

TechCrunch reports that Yahoo is testing out a new purple logo. The new logo, as shown in the picture from TechCrunch, shows Yahoo changed the font to a more curvy look and went from red to a ...