Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.929595737669
Darker point darker score: -0.997939755551
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1GM94HPPS4SS0
darker: 2 (eq: False, dd: False), confidence: 0, worker: AOKJCDRWBS5MK
darker: 2 (eq: False, dd: False), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2ZMZDOTHBMUCK
darker: 2 (eq: False, dd: False), confidence: 2, worker: A28B3UID8AT1GJ
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1IOJ2LGMGISYM
(0: guessing, 1: probably, 2: definitely)