Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.261114976502
Darker point darker score: -0.965479304861
darker: 2 (eq: False, dd: False), confidence: 0, worker: A1GY0P2ZEJ1RK7
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1KITOCUU7GERN
darker: 2 (eq: False, dd: False), confidence: 0, worker: A2OF0GTKWKM2T5
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2FNC7KTCBF9IT
darker: 2 (eq: False, dd: False), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2VVSQ1PSXKGVE
(0: guessing, 1: probably, 2: definitely)