Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.231466995994
Darker point darker score: -1.04270976543
darker: 2 (eq: False, dd: False), confidence: 0, worker: AYD3RXE17K2CF
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2H321P1NSEW35
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3PF1VER45OVPM
darker: 2 (eq: False, dd: False), confidence: 2, worker: A32M5FDKCPHMA
darker: 1 (eq: False, dd: True), confidence: 2, worker: ATWGPR2A3M7WU (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A1EY3KWGUA9A1N
(0: guessing, 1: probably, 2: definitely)