The Spotify brand color palette consists of Spotify Green and various shades of grey, black and white. They make these colors available in the Spotify Partner Brand Guidelines.

#ffffff
Spotify White Solid
Hex: #ffffff
RGB: 255, 255, 255

#ecebe8
Spotify Sand Solid
Hex: #ecebe8
RGB: 236, 235, 232

#828282
Spotify Grey Solid
Hex: #828282
RGB: 130, 130, 130

#000000
Spotify Black Solid
Hex: #000000
RGB: 0, 0, 0

#84bd00
Spotify Green
Hex: #84bd00
RGB: 132, 189, 0