YOU SAID:

I found that the round black cat is quite purple and green

INTO JAPANESE

私は丸い黒い猫がかなり紫と緑であることを発見しました

BACK INTO ENGLISH

I found that a round black cat is pretty purple and green

INTO JAPANESE

私は丸い黒い猫がかなり紫と緑であることを発見しました

BACK INTO ENGLISH

I found that a round black cat is pretty purple and green