Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.157177679357
Darker point darker score: 0.359576135403
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2C5CT4Y35F75B
darker: 2 (eq: False, dd: False), confidence: 0, worker: A2YAM0NOL7EQNG
darker: E (eq: True, dd: None), confidence: 2, worker: A1IOJ2LGMGISYM
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3LNPBZXHKKAA7
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3P8OM5PDCFZNE
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
(0: guessing, 1: probably, 2: definitely)