Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.279406032788
Darker point darker score: -0.899635378826
darker: E (eq: True, dd: None), confidence: 2, worker: AHPLLAN8B13W2
darker: 1 (eq: False, dd: False), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3R5MEKMYYM2JX
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2S2GW07EAHPNA
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2CXAWVGQ6QQ2V
(0: guessing, 1: probably, 2: definitely)