Value

Color

Classification

0 < V_i ≤ 0.2

Very low

0.2 < V_i ≤ 0.4

Low

0.4 < V_i ≤ 0.6

Average

0.6 < V_i ≤ 0.8

High

0.8 < V_i ≤ 1.0

Very high