Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.940395901774
Darker point darker score: 0.239139696751
darker: 1 (eq: False, dd: True), confidence: 2, worker: AQD91RFHV1WNE (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2K9VAUQ9I7CLT
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3HIIRTGJUJZ1D
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3QTG4DHHV2KD6
darker: 1 (eq: False, dd: True), confidence: 1, worker: A234WZ4KX8IW07
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1TIL0S71V1JA0
(0: guessing, 1: probably, 2: definitely)