Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.04148999844
Darker point darker score: 0.28603438463
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2I0M1XXACA4WE (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NO4LG6KGOGFD
darker: 2 (eq: False, dd: True), confidence: 2, worker: ANE1T9B3JJAS5
darker: 2 (eq: False, dd: True), confidence: 2, worker: ADPVKKFJ886DJ
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2VVSQ1PSXKGVE
darker: 1 (eq: False, dd: False), confidence: 2, worker: A237FGJCPV99GJ
(0: guessing, 1: probably, 2: definitely)