Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.905796525854
Darker point darker score: -0.887415923183
darker: 2 (eq: False, dd: False), confidence: 1, worker: A2ZMZDOTHBMUCK
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1KF93C9NTOP42
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1NQZHW4RY6IDR
darker: 2 (eq: False, dd: False), confidence: 2, worker: A11KMASRERFP0V
(0: guessing, 1: probably, 2: definitely)