Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.03805343881
Darker point darker score: 0.119435317302
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1Y5DMCQYLVL74
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1IJ5RKJ4MD2AM (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1JHVZIC3FH9LG
darker: 2 (eq: False, dd: True), confidence: 1, worker: ALLP45O3BDWYM
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3HIIRTGJUJZ1D
(0: guessing, 1: probably, 2: definitely)