Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.891646925023
Darker point darker score: -0.3264424627
darker: 1 (eq: False, dd: False), confidence: 0, worker: A3VEMG1EEBJHWD
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1KWFRKBCLPQXZ (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 1, worker: A2CXAWVGQ6QQ2V
darker: 1 (eq: False, dd: False), confidence: 2, worker: A26QZVXO4ZS0ED
darker: 1 (eq: False, dd: False), confidence: 2, worker: AHLVAVDNE9WI0
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1HZWAX6XQXIM7
darker: 2 (eq: False, dd: True), confidence: 1, worker: AWL4VD8C90KJR (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A21TA9DWNPHPBG (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3PKLLRKQ7VUVN (marked invalid)
(0: guessing, 1: probably, 2: definitely)