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The Color Project: Part Five


Part5Let’s quickly review the previous two posts on NCCA’s “The Color Project”:

  • In Part Three, we showed that about 20% of our observers fell into an “extremes” category (i.e., they were either notably far less critical or far more critical); but the majority—80%—of the observers were more or less in agreement.
  • In Part Four, we concluded that most of the people, most of the time, were not fooled by the identical-pair panels. Only 9% of the time were there notable color differences declared, and half of the observers saw no difference at all. If you expect to see a color difference, by golly, you will!

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The Color Project: Part One

Part 1The National Coil Coating Association Technology Committee has been investigating color measurement, color difference, and how best to establish meaningful color tolerances. “Color” is a small word, but one with lots of tentacles. You see a blue car, you call it a blue car. The person you’re walking down the street with also describes this same car as blue. So you both call it “blue.” What’s the big deal? Seeing a “blue” car as it travels down the street is one thing. Putting two metal panels next to each other and comparing their colors closely and carefully is quite another thing. It’s all a matter of perspective. Continue reading