Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.918469526023
Darker point darker score: -0.901357699735
darker: 1 (eq: False, dd: False), confidence: 1, worker: A2D6GU31XFG5LY
darker: 2 (eq: False, dd: True), confidence: 2, worker: AR50UBGSH10FJ (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A32XWNZW2DQ6UZ
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: 1 (eq: False, dd: False), confidence: 1, worker: AE6N096CSI5HT
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3A45A5YUM61LK
(0: guessing, 1: probably, 2: definitely)