Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.303409259205
Darker point darker score: -0.912970370095
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3PX16PNFHQ5OK
darker: 1 (eq: False, dd: False), confidence: 1, worker: AET2U31SXUAPM
darker: 1 (eq: False, dd: False), confidence: 2, worker: AUD2Y1IOZ0GN4 (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3JLJXKUPJX3J2
darker: E (eq: True, dd: None), confidence: 1, worker: A2HCXQ6WTTL79C
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3163PFOUKXQKA
(0: guessing, 1: probably, 2: definitely)