Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.138512068333
Darker point darker score: -0.922292645844
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3E3QXLHXAGY4Y
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: ADPVKKFJ886DJ
darker: 2 (eq: False, dd: False), confidence: 0, worker: A2Q0V5TIXSJJI3
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1SNF5XJQ0205C
darker: E (eq: True, dd: None), confidence: 2, worker: A2A42CU48PN8CX
(0: guessing, 1: probably, 2: definitely)