Consider the entire 216 safe-color array shown in Fig. 6.10(a). Label each cell by its (ro...

Consider the entire 216 safe-color array shown in Fig. 6.10(a). Label each cell by its (row, column) designation, so that the top left cell is (1,1) and the rightmost bottom cell is (12,18). At which cells will you find

FIGURE 6.10 (a) The 216 safe RGB colors. (b) All the grays in the 256-color RGB system (grays that are part of the safe color group are shown underlined).

(a) The purest green?

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(b) The purest blue?