Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.311187636614
Darker point darker score: 1.10526984284
darker: 2 (eq: False, dd: True), confidence: 2, worker: A14S7A62C87LTI
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NZVXB0S8DR04
darker: 2 (eq: False, dd: True), confidence: 2, worker: AE6N096CSI5HT
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3QTG4DHHV2KD6
darker: E (eq: True, dd: None), confidence: 1, worker: A1NPKI9KKWOI2P
darker: 2 (eq: False, dd: True), confidence: 2, worker: A7PVOM63I6UH5 (marked invalid)
(0: guessing, 1: probably, 2: definitely)