Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0645127678258
Darker point darker score: 0.978682846325
darker: E (eq: True, dd: None), confidence: 1, worker: A12DV2RIAQPV5J
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3I4NM85R4LN97
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2Q1A5H715C3EK
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1O61JHO0LUZRI (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3HIIRTGJUJZ1D
darker: 2 (eq: False, dd: True), confidence: 0, worker: A1OA3O78YDXGZO
darker: 2 (eq: False, dd: True), confidence: 2, worker: AP29T5XPOQKG2 (marked invalid)
(0: guessing, 1: probably, 2: definitely)