“看一看钱的颜色”是指，当别人委托你办某件事情的时侯，你比较怀疑并且想确定一下对方是否能有足够的钱付给你。

If you want to see the colour of somebody's money, you want to make sure that the person in question has enough money to pay you before you accept to do something.

youdao

是的，先生，我给你看几件，你喜欢什么颜色？

Yes, Sir. I'll be glad to show you some. Any particular color?

youdao

你看，给你点颜色看看，感觉怎么样？

You look and click a color for you to see, how feel?

youdao