Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -1.06017842926
Darker point darker score: 0.31678302043
darker: 1 (eq: False, dd: True), confidence: 2, worker: ATPCAF2RU1G4C (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1Y5DMCQYLVL74
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3683MQHQTG64Z
darker: 1 (eq: False, dd: True), confidence: 2, worker: AWL4VD8C90KJR (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 0, worker: A1JHVZIC3FH9LG
darker: 1 (eq: False, dd: True), confidence: 1, worker: A106BTOUPN1KRV
darker: 1 (eq: False, dd: True), confidence: 2, worker: AX39A14MDLX5N
(0: guessing, 1: probably, 2: definitely)