The lightness or darkness of a surface is called ¨Value¨
It's sparta but next time please use a s in is. I thought you said you're little. And this question was already answered before you could have just search it.
A photograph that is taken without posing the person is called a candid.
Hope this helped!
Although I'm not sure, I do believe it is "Delphic Sibyl". Good luck!
