Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -1.0203099089
Darker point darker score: 0.122853975242
darker: 2 (eq: False, dd: False), confidence: 0, worker: A1FUQIDCR4U4QQ
darker: 1 (eq: False, dd: True), confidence: 1, worker: A15XHPD9NN0LU2
darker: 2 (eq: False, dd: False), confidence: 1, worker: A2LT5VXO2LS0UL
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3QTG4DHHV2KD6
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3NWQ0535HAXUD
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2ZRJMJTE6ID97
(0: guessing, 1: probably, 2: definitely)