Colorful interior design is having a moment — and not in a fleeting, biggest-home-trend-of-the-year kind of way. Many ...

They are FD&C Blue No. 1, FD&C Blue No. 2, FD&C Green No. 3, Orange B, Citrus Red No. 2, FD&C Red No. 40, FD&C Yellow No. 5 ...