Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.0727127768745
Darker point darker score: -0.0544542708317
darker: 1 (eq: False, dd: False), confidence: 0, worker: A3CB0SM114NJVL
darker: E (eq: True, dd: None), confidence: 1, worker: AKLZPOBB3YA33
darker: E (eq: True, dd: None), confidence: 2, worker: A3163PFOUKXQKA
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1LC5CYDRIHNRM (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3RZMD0GPKZBJ5
darker: 1 (eq: False, dd: False), confidence: 1, worker: A1JEDFDBWHLA1F
(0: guessing, 1: probably, 2: definitely)