Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.209199061305
Darker point darker score: -0.933100041908
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3CB0SM114NJVL
darker: E (eq: True, dd: None), confidence: 0, worker: A1NO4LG6KGOGFD
darker: 2 (eq: False, dd: False), confidence: 0, worker: A2D6GU31XFG5LY
darker: 2 (eq: False, dd: False), confidence: 2, worker: A30M7MYW1BHQN1
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2Q27LZW3VNDIP
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
(0: guessing, 1: probably, 2: definitely)