puzzle:

AAAP/w+lAAAAAIAACAA=

answer:

_ _ _ _

		

			

				hint 1
				
try convert base64 to raw hex.

			

			

				hint 2
				
answer is four letters long. try split hex into four even length.

			

			

				hint 3
				
splitted hex is 6 hex long each. rgb color is 6 hex long.

			

			

				answer
				
hex color has name. first letter of each colors is answer.