Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.252464448278
Darker point darker score: 0.937328035415
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1KF93C9NTOP42
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1E9VI5RSZI31F
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: A29SM5YSBL8MM1
darker: E (eq: True, dd: None), confidence: 1, worker: A13QL2FY4BZR9B
darker: 1 (eq: False, dd: True), confidence: 2, worker: AFO6OUDRVZ317
(0: guessing, 1: probably, 2: definitely)