Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.222025799276
Darker point darker score: -0.879732103722
darker: 2 (eq: False, dd: False), confidence: 2, worker: ATWGPR2A3M7WU (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1TIL0S71V1JA0
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1CV8APDA7Y2PI
darker: 2 (eq: False, dd: False), confidence: 2, worker: ANE1T9B3JJAS5
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3KUGXG2Y6X7BD
darker: 2 (eq: False, dd: False), confidence: 2, worker: ADPVKKFJ886DJ
(0: guessing, 1: probably, 2: definitely)