One of 50 shades of gray is silver color. It is a more bright color. It attracts more attention than matte colors. Also known as metallic silver.
#F7F7F7
#F0F0F0
#E3E3E3
#D1D1D1
#C0C0C0
#AAAAAA
#969696
#818181
#6A6A6A
#585858
#333333