The term achromatic color is identified in base64 scheme by the sequence YWNocm9tYXRpYyBjb2xvcg==, while the MD5 signature is equal to 537d9f71ec2ad8b42808b10a910d8128. The ASCII encoding of achromatic color in hexadecimal notation is 616368726f6d6174696320636f6c6f72.