Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.176488742815
Darker point darker score: 0.0275313127559
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2DCLU4B46AB1U
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2C5CT4Y35F75B
darker: E (eq: True, dd: None), confidence: 0, worker: A2K9VAUQ9I7CLT
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3DY9JPLPQUN1O
darker: 1 (eq: False, dd: False), confidence: 1, worker: A1H10UJNXTJDX4
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
(0: guessing, 1: probably, 2: definitely)