 Specifically, "blue" has a binary weight of 1, "red" has a weight of 2, and "green" has a weight of 4.As with any binary number, these weights add up to produce a single decimal number that matches the displayed colour, the effect of which can be seen in the table below (pay special attention to the "binary value" column).For any value of "n" from 0 to 7, the following commands can be used to set or alter the screen's colours