Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.232578615377
Darker point darker score: -0.897506026875
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1NO4LG6KGOGFD
darker: 2 (eq: False, dd: False), confidence: 0, worker: AE6N096CSI5HT
darker: E (eq: True, dd: None), confidence: 0, worker: A13QL2FY4BZR9B
darker: E (eq: True, dd: None), confidence: 2, worker: A27H0BKXDPJ543
darker: 2 (eq: False, dd: False), confidence: 2, worker: A15XHPD9NN0LU2
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1NJMUQIN7L8AD
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1136V0RZUR5TO
(0: guessing, 1: probably, 2: definitely)