Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.900698350643
Darker point darker score: 0.968238802638
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3CB0SM114NJVL
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1U1W6BX6937QB
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3TVDFJ22T1FFN (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AWL4VD8C90KJR (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3IXQP73TWQX0D
darker: 2 (eq: False, dd: True), confidence: 2, worker: AO2JIXLS5MIC5 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2Q0V5TIXSJJI3
(0: guessing, 1: probably, 2: definitely)