Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0353073064783
Darker point darker score: 0.934822941339
darker: 2 (eq: False, dd: True), confidence: 1, worker: A325FINFEL3NH8 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A221FSWO28B4YF
darker: 2 (eq: False, dd: True), confidence: 2, worker: AIKBREX7SEPXE
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3GTLCTTVIMPOL
darker: 2 (eq: False, dd: True), confidence: 2, worker: AI0LPDLUHKFMT (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3163PFOUKXQKA
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A15XHPD9NN0LU2
(0: guessing, 1: probably, 2: definitely)