Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.917252267228
Darker point darker score: 0.0844895388703
darker: 1 (eq: False, dd: True), confidence: 1, worker: A11KMX2QBOUFPD
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3JB8CDV1SF2TH
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1KF93C9NTOP42
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2KJ983WWTEK4L
darker: 2 (eq: False, dd: False), confidence: 2, worker: A18WZ06GBK6FGZ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3UC4JITM1QD1M
(0: guessing, 1: probably, 2: definitely)