Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.913571326977
Darker point darker score: 0.328928196519
darker: 2 (eq: False, dd: True), confidence: 2, worker: AQD91RFHV1WNE (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AAC5XT7UY7B2K
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3ICG6AUFB4AT
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1TIL0S71V1JA0
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2V9WRIAL9CJZT
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3QTG4DHHV2KD6
(0: guessing, 1: probably, 2: definitely)