Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.18351196427
Darker point darker score: 0.955067162116
darker: 2 (eq: False, dd: True), confidence: 2, worker: A26IWVYPL4KZMO
darker: 2 (eq: False, dd: True), confidence: 2, worker: A90QPQO48C6RX
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3NWQ0535HAXUD
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3QTG4DHHV2KD6
darker: 2 (eq: False, dd: True), confidence: 1, worker: A234WZ4KX8IW07
(0: guessing, 1: probably, 2: definitely)