Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.891130095039
Darker point darker score: 0.156486522716
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3E3QXLHXAGY4Y
darker: 1 (eq: False, dd: False), confidence: 2, worker: A168LFJNV9DSTS
darker: 1 (eq: False, dd: False), confidence: 0, worker: A167L9XCC3KHPF
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1XX6ZVVS2UTO7 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1LAC2M11NC968
darker: 2 (eq: False, dd: True), confidence: 2, worker: AKG5TLUQ2WWED
(0: guessing, 1: probably, 2: definitely)