Color life of 20 amino acids

 How many amino acids are there in the genetic code--Answer 20.  Why--There are exactly 20 distinct color profiles.  What are they--Based on p.251Sergey Petoukhov and Matthew He  Symmetrical Analysis Techniques for Genetic Systems and Bioinformatics 2010,

        R G B C M Y

Pure

CCC 0 0 0 3 3 3

AAA 3 0 3 0 3 0

GGG 3 3 0 0 0 3

UUU 0 3 3 3 0 0

3 Different

CAU 1 1 2 2 2 1

CAG 2 1 1 1 2 2

CGT 1 2 1 2 1 2

AGU 2 2 21 1 1

Doubles

CCA 1 0 1 2 3 2

CCG 1 1 0 2 2 3

CCT 0 1 1 3 2 2

AAC 2 0 2 1 3 1

AAG 3 1 2 0 2 1

AAT 2 1 3 1 2 0

GGC 2 2 0 1 1 3

GGA 3 2 1 0 1 2

GGU 2 3 1 1 0 2

UUC 0 2 2 3 1 1

UUA 1 2 3 2 1 0

UUG 1 3 2 2 1 0.