Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.02018624056
Darker point darker score: 0.971774372948
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3UC4JITM1QD1M
darker: 2 (eq: False, dd: True), confidence: 2, worker: A15XHPD9NN0LU2
darker: 2 (eq: False, dd: True), confidence: 2, worker: A6KUVG49ZZ40M (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3UIVQJXY62XU8
darker: 2 (eq: False, dd: True), confidence: 2, worker: AE808DQDYM9F
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1DU0G52OTCO5K
darker: 2 (eq: False, dd: True), confidence: 2, worker: A106ZSJP3CLBE4
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1JHVZIC3FH9LG
darker: 2 (eq: False, dd: True), confidence: 2, worker: A36XRHW6R8MU0C
(0: guessing, 1: probably, 2: definitely)