Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.170896535786
Darker point darker score: 0.984584254361
darker: 2 (eq: False, dd: True), confidence: 0, worker: AH8FQGOADPCST (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AQAKW9NW6Z61T
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2V9WRIAL9CJZT
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1XVZCQ983ETMR
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3P8OM5PDCFZNE
darker: E (eq: True, dd: None), confidence: 2, worker: A3QTG4DHHV2KD6
(0: guessing, 1: probably, 2: definitely)