Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.18970573091
Darker point darker score: 0.964325667235
darker: 2 (eq: False, dd: True), confidence: 1, worker: A277RSAE4AKWW0
darker: 2 (eq: False, dd: True), confidence: 1, worker: AXCPRXO08DFAH (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3HPVFAF1U9WXK
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1G05O3HM7DNVZ
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1H10UJNXTJDX4
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
(0: guessing, 1: probably, 2: definitely)