Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -1.00123205758
Darker point darker score: -0.23421081931
darker: 1 (eq: False, dd: True), confidence: 0, worker: A1V0SVCSZX78KM
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3QW1C79IH4GOG
darker: 2 (eq: False, dd: False), confidence: 0, worker: A2YAM0NOL7EQNG
darker: 2 (eq: False, dd: False), confidence: 1, worker: A263CRI673K4QG
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2UFB6FRY90EAB
(0: guessing, 1: probably, 2: definitely)