Translation of "redness" into Chinese

Some of the roses in my garden are white, and the others are red.

我花园里的一部分玫瑰是白色的,其他的是红色的。

She said that she would dance with me if I brought her red roses.

她说,若我送她红玫瑰,她将与我跳舞。

I have a lot of flowers. Some are red and others are yellow.

我種了很多花,有些是紅色的,有些是黃色的。