Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.0160856257535
Darker point darker score: 0.194431430122
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3ICG6AUFB4AT
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3JB8CDV1SF2TH
darker: 1 (eq: False, dd: True), confidence: 2, worker: A251KVXCS8E3C
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3RLTUXIM8TU3K (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A27H0BKXDPJ543
darker: E (eq: True, dd: None), confidence: 2, worker: A3163PFOUKXQKA
(0: guessing, 1: probably, 2: definitely)