減法 げんぽう混色 こんしょくではありませんでした
gempō kon shokudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 減法混色

1. Was not subtractive color mixing.; Was not a subtractive color mix.

Past/Perfective
Negative
Polite
Formal Register
Computing