The term achromatic vision is identified in base64 scheme by the sequence YWNocm9tYXRpYyB2aXNpb24=, while the MD5 signature is equal to 16f2abdd188fbd7f6a2d2b35ecee109c. The ASCII encoding of achromatic vision in hexadecimal notation is 616368726f6d6174696320766973696f6e.