orange/purple/pink/white/black — 英语阅读题

Read and answer.（阅读短文，回答问题） Hello, I am Lily. Look at my school things! My schoolbag is purple. My pencil case is orange. I have a nice ruler. It is white. My eraser is pink. Look at my new pen. It is black. I like my school things very much! Question: What colour is Lily's pencil case?