Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.143669410495
Darker point darker score: 0.976591212712
darker: 2 (eq: False, dd: True), confidence: 0, worker: ARTQWWNFA7IOD
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1QIZATKBF64SO
darker: E (eq: True, dd: None), confidence: 1, worker: A234WZ4KX8IW07
darker: 2 (eq: False, dd: True), confidence: 2, worker: A6KUVG49ZZ40M (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3UC4JITM1QD1M
darker: E (eq: True, dd: None), confidence: 1, worker: AYLD14EI9Q925
(0: guessing, 1: probably, 2: definitely)