Just because you like a certain colour doesn't mean it looks good on you.
Even though you might prefer one colour over another, that doesn't mean that colour suits you.
ーJust because you like a certain colour doesn't mean it looks good on you.
「その色が好きだからといって、あなたに似合うとは限らない」
Just because you like ... doesn't mean it looks good on you. で「…が好きだからといって、あなたに似合うとは限らない」と表現できます。
ーEven though you might prefer one colour over another, that doesn't mean that colour suits you.
「他の色よりその色が好きかもしれないが、その色があなたに似合うとは限らない」
Even though you might prefer ... over another, that doesn't mean that ... suits you.で「他のより…が好きかもしれないが、その…があなたに似合うとは限らない」と表現できます。
ご参考まで！
カナダ 
