Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -1.04120363847
Darker point darker score: -0.943142901955
darker: 2 (eq: False, dd: False), confidence: 1, worker: AUKFRW1LVWIZ8
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2P3JDCCY0EH5G
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3T5E7K68QRMKC
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1WRANKL1HRGYW
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3ICG6AUFB4AT
(0: guessing, 1: probably, 2: definitely)