I think those colours will work well together and the lettering looks good.

我认为这两种颜色会搭配的很好，而那些文字看上去很不错。

youdao

Those colours don't really go (together).

那些颜色并不十分协调。

《牛津词典》

Those colours are very trendy.

那些颜色非常时髦。

youdao

Those colours are very trendy.

那些颜色非常时髦。

youdao