In Reply to: Research Information on Affectiveness of Color-Use in Advertising posted by Mark F. on November 08, 1997 at 02:00:16:

Red: Symbolizes heat, danger, power, passion, strength, blood, war. Used as an accent color, it can stimulate people to make
quick decisions and increase expectations.
Orange: Considered the color of warmth and autumn. People wearing this color have a strong personality. Orange tends to be
declassifying; it also has a broad appeal.
Yellow: Denotes caution, decay, sickness, jealousy. On the positive side, it reminds us of a warm, sunny day.
Green: Signifies life, new growth, energy, faith and money.
Blue: Symbolic of solitude, sadness, trust and loyalty. Regarded as being therapeutic to the mind and body.
Okay, this isn't specific to the industrial products industry, but this is the basic chart I consult when performing web design. I hope it helps.
Purple: Symbolizes royalty, richness, power and sensitivity. Also the color of passion and love.
Brown: A good color to gather more information. Creates a neutral environment for open discussion. Communicates credibility and
stability.
White: Symbolic of purity, chastity and cleanliness.
Black: Associated with demons, witches and black magic. When worn by people with lighter hair color, it is an indicator of inner
strength and determination. Can be intimidating to some people because of its power and formality.