Red is a hot color that expresses danger, aggression , intensity, blood. It doesn't mix well with greens or purples of the same intensity unless you fix the brightness. Blue expresses alot of peace and wisdom, loyalty, power, and harmony. Since not many foods or drinks are blue, it's best if you don't use it with food related things. Green expresses youth, ecology, nature, health, money, safety. To other people it could show envy, green is used as a secondary or accent color mostly. Brown expresses simplicity, earthiness, comfort, and stability. Dark brown will give off a very proffessional look. Beige are neutral, natural colors. They can be combined with almost any color and still look good and not tacky, instead it'll give it a professional look. Black expresses sadness, death, evil, elegance. It's the color most used for text font on websites. Purple expresses dignity, spirituality, royal, luxury, wealth and sophistication. In buisnesses it's seen upscale and artistically favored. Yellow expresses sunshine, warmth and happiness. Yellow is the hardest color for the human eye to take in. Pink expresses softness, sweet, femininity, well-being, innocence. Orange expresses playfulness, pleasure, cool, warmth.