It can have a red center (seen here) or normal skin tone inside the ring.

If anybody knows a way across the red center it will be the Runners.

Its blooms are nearly two inches wide and pure white with a red center.

The marks were black with angry red centers; severe and painful.

The corolla of the flower sometimes has a bright red center.

The flowers are orange or dark yellow with a red center, about 7 inches long.

The flowers, which appear in spring, are yellow with a red centre.

He watched the sign and saw the red centers of the corners turn back to solid green.

They were doubling their tracks, wondering as red centers changed back to green.

The flower is white to pink in color with a deep red center.