Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.950435592633
Darker point darker score: 0.221354949144
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3I9ULQRUOUHLP
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1I4YHF7RG58DV
darker: 1 (eq: False, dd: True), confidence: 2, worker: AIKBREX7SEPXE
darker: 1 (eq: False, dd: True), confidence: 0, worker: A2H4ON6BUHMY1L (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 1, worker: AE6N096CSI5HT
darker: 1 (eq: False, dd: True), confidence: 2, worker: A32M5FDKCPHMA
(0: guessing, 1: probably, 2: definitely)