Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -1.00311506479
Darker point darker score: -0.084275078813
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2A42CU48PN8CX
darker: 2 (eq: False, dd: True), confidence: 2, worker: A112V6HAH568DI
darker: 1 (eq: False, dd: False), confidence: 0, worker: A1JHVZIC3FH9LG
darker: 1 (eq: False, dd: False), confidence: 0, worker: A3UC4JITM1QD1M
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3TO9R1Z7L6PZZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A234WZ4KX8IW07
(0: guessing, 1: probably, 2: definitely)