Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.882360434627
Darker point darker score: -0.909746204403
darker: 2 (eq: False, dd: True), confidence: 1, worker: AWL4VD8C90KJR (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1JF9ZNXWK5QZU (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 1, worker: AGQOUDGB4N87B
darker: 1 (eq: False, dd: False), confidence: 2, worker: AAOTQL1SCAC03
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1FUQIDCR4U4QQ
darker: 1 (eq: False, dd: False), confidence: 2, worker: A92IZM4P9SJ2S
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3QTG4DHHV2KD6
(0: guessing, 1: probably, 2: definitely)