Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.0896417627813
Darker point darker score: -0.882383125921
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3163PFOUKXQKA
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3A45A5YUM61LK
darker: E (eq: True, dd: None), confidence: 0, worker: A8DFFGPH3G3V5
darker: 2 (eq: False, dd: False), confidence: 2, worker: AW0K78T4I2T72
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3RJ8NZQ8BRTZM (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1VKSXDK4QAEF9
(0: guessing, 1: probably, 2: definitely)