Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.098848745695
Darker point darker score: 0.162920968748
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2A1D52ZPSW6L9
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3IXQP73TWQX0D
darker: 1 (eq: False, dd: False), confidence: 1, worker: AUD2Y1IOZ0GN4 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3A45A5YUM61LK
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1YQ4Z1018RM1R
darker: E (eq: True, dd: None), confidence: 0, worker: A3NWQ0535HAXUD
(0: guessing, 1: probably, 2: definitely)