Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.95187164708
Darker point darker score: 0.917752966713
darker: 2 (eq: False, dd: True), confidence: 2, worker: A7WI4XSAIFD7J (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A21VLTGNNJH43I
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3HFS9E2FHNXDR
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3163PFOUKXQKA
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3DHYTZ1GPN0T8
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A7PVOM63I6UH5 (marked invalid)
(0: guessing, 1: probably, 2: definitely)