Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0690076804753
Darker point darker score: 0.210091899688
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3760PCQD2MPIO
darker: 2 (eq: False, dd: True), confidence: 0, worker: A29LON3TC6GCJN
darker: E (eq: True, dd: None), confidence: 0, worker: AO6J6WQVRE5YZ (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3JJAFR9BRLG0
darker: E (eq: True, dd: None), confidence: 2, worker: AWO91BEOHNOJB
darker: E (eq: True, dd: None), confidence: 2, worker: A2VVSQ1PSXKGVE
(0: guessing, 1: probably, 2: definitely)