Mood-lifting bright yellow, calming soft lilac, and fresh natural green. Colors bring emotions to life—soothe the minds, irritate the eyes, affect moods. boost appetite, or even suppress appetite. In the food industry, colors are associated with appetite. The right combination of colors is appealing to the eyes, engaging consumers’ visual and boosting appetite. However, some colors might appear unappetizing, suppressing the appetite. This is where color plays an important role in the food industry, to create products that are pleasing to the eyes.