There are 5 colors and 5 ranges. The green color represents the Not Difficult range with the Hiring Scale Scores from 5 to 15. The bright green represents the Slightly Difficult range with the Hiring Scale Scores from 16 to 35 then the yellow represents Moderately Difficult range with the Hiring Scale Scores from 36 to 65. The orange color represents the Difficult range with the Hiring Scale Scores from 66 to 80 and finally the Very Difficult range with the Hiring Scale Scores of 81 and above and is represented by red color.