The light after sunset can be so soft and smooth, and Velvia film can do a wonderful job in capturing the colors.  Here...

Rocks at Twilight

Beach Three, Olympic National Park, Washington Coast

The light after sunset can be so soft and smooth, and Velvia film can do a wonderful job in capturing the colors.  Here I like the sharpness of the smooth, black rocks set against the purple cast of the water made smooth by a long exposure. Photo © copyright by Stephen Penland.