Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -1.01578342376
Darker point darker score: -0.912676606211
darker: 2 (eq: False, dd: False), confidence: 2, worker: A390HYGLCX40HE
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3VO5CW9ZY22MZ
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3HIIRTGJUJZ1D
darker: 2 (eq: False, dd: False), confidence: 1, worker: A2Q27LZW3VNDIP
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2JVJ7J2MVGW9S
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3UC4JITM1QD1M
darker: 1 (eq: False, dd: True), confidence: 2, worker: A6KUVG49ZZ40M (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2DWQF4ZHHBLOW
darker: 2 (eq: False, dd: False), confidence: 2, worker: AWRMHUCV3KAW9
(0: guessing, 1: probably, 2: definitely)