Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.300050942281
Darker point darker score: -1.06713652312
darker: 1 (eq: False, dd: False), confidence: 0, worker: A251KVXCS8E3C
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2VVSQ1PSXKGVE
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: AYPRFUHZSRQVN
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2A42CU48PN8CX
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1BTE6I49HJW2V (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2VVSQ1PSXKGVE
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3S6JT56CCUSE2 (marked invalid)
(0: guessing, 1: probably, 2: definitely)