Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.918468054294
Darker point darker score: 0.307931835728
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3R5MEKMYYM2JX
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2UFJC7YN3N0YX
darker: 1 (eq: False, dd: True), confidence: 0, worker: AH8FQGOADPCST (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3NWQ0535HAXUD
darker: 1 (eq: False, dd: True), confidence: 1, worker: A7114FTRGZMK2
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1DU0G52OTCO5K
(0: guessing, 1: probably, 2: definitely)