导购口语:

The clothes match your hat very well in colors.
这衣服和你的帽子搭配很协调。
What about that purple one? I think it's better than this dark green one.
这条紫色的怎么样？我认为比这墨绿色的要好。
I feel this color doesn't suit the color of my blouse.
我觉得这个颜色和我衬衫的颜色不配。

语句解析:

sth. match sth. very well in colors 这个句型用来表示“……与……颜色搭配很协调”；I feel this color suits…表示“我觉得这个颜色……搭配好”。

情景再现:

That color won't go with everything.
这颜色很难和其他搭配。
I think you might want to go with something a little lighter.
我觉得您最好要搭配颜色浅一点的。