Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.358871033397
Darker point darker score: -0.431519568898
darker: 2 (eq: False, dd: False), confidence: 0, worker: A1NO4LG6KGOGFD
darker: 2 (eq: False, dd: False), confidence: 0, worker: A1NZVXB0S8DR04
darker: 1 (eq: False, dd: True), confidence: 1, worker: A11GWWAXRJQ6Y2 (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 1, worker: AX720MTAR52TX
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1RHI1ARUZZKGP
darker: 2 (eq: False, dd: False), confidence: 1, worker: AS47ZFZ2M16E1
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3799NWTIYKCEV
darker: E (eq: True, dd: None), confidence: 2, worker: A2VVSQ1PSXKGVE
(0: guessing, 1: probably, 2: definitely)