Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.474013717293
Darker point darker score: -0.989365618408
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2P3JDCCY0EH5G
darker: E (eq: True, dd: None), confidence: 1, worker: A2IA62NA4MKLSY
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3HH4LW4MMVHE1
darker: 2 (eq: False, dd: False), confidence: 0, worker: A2Q0V5TIXSJJI3
darker: 2 (eq: False, dd: False), confidence: 2, worker: AKG5TLUQ2WWED
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
(0: guessing, 1: probably, 2: definitely)