Vocabulary What does 油彩 (ゆさい, yusai) mean? 油彩 (ゆさい, yusai) means oil painting. Quick factsReadingゆさいRomajiyusaiPart of speechnoun 油彩ゆさいyusaioil painting1noun oil paintingKanji in this word油oil彩color; coloring, embellishing