Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.924477438314
Darker point darker score: 0.286572525134
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1AXG32WSJVY54
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1JEDFDBWHLA1F
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3NBD6P0INJB4G
darker: 2 (eq: False, dd: True), confidence: 0, worker: AU4FF0366TBAR (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1OA3O78YDXGZO
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3163PFOUKXQKA
(0: guessing, 1: probably, 2: definitely)