Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -1.03368017176
Darker point darker score: -0.926732089753
darker: 2 (eq: False, dd: False), confidence: 2, worker: ALD23FVE83N6N
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1CEPAN1MLYHSO
darker: E (eq: True, dd: None), confidence: 2, worker: AI90ZNJJ543AP (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2CXAWVGQ6QQ2V
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2VVSQ1PSXKGVE
darker: 2 (eq: False, dd: False), confidence: 2, worker: AJSZEUBV1O00K (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2BELXEEQTFLXE (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2EY9GDVA7L8YM (marked invalid)
(0: guessing, 1: probably, 2: definitely)