Saturday Mac riddles 67

Here are this weekend’s riddles to entertain you through whatever you’re now allowed to do.

1: Let me co-ordinate your hues and keep them in harmony.

2: I can expand or compact for your record repository, although you may never see me. What am I?

3: Born to make a navigator dynamic, I came to Europe for uniformity and flourished when reversed. What am I?

I will post the answers first thing on Monday morning.

Please don’t post your answers as comments here: it spoils it for others.