気になったのでメモ
(a) R=50 G=100 B=200 の補色の計算
-
RGBの内の最大値と最小値を足す
50(R) + 200(B) = 250 -
1の結果(250)からRGBの各値を引いた結果が補色
R'= 250 - 50(R) = 200
G'= 250 - 100(G) = 150
B'= 250 - 200(B) = 50
(b) R'=200 G'=150 B'=50
(a) 
(b) 
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