Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.219129969604
Darker point darker score: 0.908880852155
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2KJ983WWTEK4L
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3TO9R1Z7L6PZZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: AAS7N38GYAVF8
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1YQ4Z1018RM1R
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3KUGXG2Y6X7BD
darker: E (eq: True, dd: None), confidence: 2, worker: AO1T9KG7VR0P5
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
(0: guessing, 1: probably, 2: definitely)