Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0135801860129
Darker point darker score: 0.958751238311
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3UC4JITM1QD1M
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1QK90OHMNVT6N
darker: E (eq: True, dd: None), confidence: 2, worker: A2B8L88BUHVOO6
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1IOJ2LGMGISYM
darker: E (eq: True, dd: None), confidence: 2, worker: A2JVJ7J2MVGW9S
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
(0: guessing, 1: probably, 2: definitely)