Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.193503484957
Darker point darker score: -0.990405888773
darker: E (eq: True, dd: None), confidence: 1, worker: A1GM94HPPS4SS0
darker: 2 (eq: False, dd: False), confidence: 0, worker: AW0K78T4I2T72
darker: 2 (eq: False, dd: False), confidence: 2, worker: A6KUVG49ZZ40M (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 1, worker: A14VYU4RTNHD1D
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3HH4LW4MMVHE1
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2VVSQ1PSXKGVE
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1KITOCUU7GERN
darker: 2 (eq: False, dd: False), confidence: 2, worker: A22BAUES1TIZS6
(0: guessing, 1: probably, 2: definitely)