Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.879740263888
Darker point darker score: 0.899351184679
darker: 2 (eq: False, dd: True), confidence: 2, worker: A29LON3TC6GCJN
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3UC4JITM1QD1M
darker: 2 (eq: False, dd: True), confidence: 1, worker: AO6J6WQVRE5YZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A116SF9QIZ854X
darker: 2 (eq: False, dd: True), confidence: 0, worker: AH8FQGOADPCST (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3DKW5X4Y1Z6UD
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1OA3O78YDXGZO
(0: guessing, 1: probably, 2: definitely)