Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.957425460171
Darker point darker score: -0.986754571416
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3GFISRU6V2MG5
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3RZMD0GPKZBJ5
darker: 1 (eq: False, dd: False), confidence: 2, worker: A6KUVG49ZZ40M (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2FNC7KTCBF9IT
darker: 1 (eq: False, dd: False), confidence: 0, worker: A3UC4JITM1QD1M
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2C5CT4Y35F75B
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3VO5CW9ZY22MZ
darker: 1 (eq: False, dd: False), confidence: 1, worker: A2SE351Y7LS6QI
(0: guessing, 1: probably, 2: definitely)