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The resulting combination of impacts, probabilities, and colors gives you a matrix that is colored coded based on the combination of impact and probability. It is important to note that these values are based on the assumption that you are essentially equally tolerant of risk across the scale. You may consider a lower level of impact or of probability to be high, or a higher level of each or either to be low. Fink describes the matrix as being four equal blocks. In reality, it may be worth asking whether they are.