Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -1.02079439588
Darker point darker score: 1.09141602853
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3Q2HC4T5MHY93
darker: 1 (eq: False, dd: True), confidence: 0, worker: A2YAM0NOL7EQNG
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3F813T7DKLBKP
darker: 2 (eq: False, dd: False), confidence: 0, worker: A18YH2N9M2P95T (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1EY3KWGUA9A1N
darker: 1 (eq: False, dd: True), confidence: 2, worker: A167L9XCC3KHPF
(0: guessing, 1: probably, 2: definitely)