Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.324538488956
Darker point darker score: 0.152899592087
darker: 2 (eq: False, dd: True), confidence: 1, worker: APROFW08F7Z34
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3MWV912LNFD67
darker: E (eq: True, dd: None), confidence: 2, worker: A3FVPDNQQLDFZH
darker: 1 (eq: False, dd: False), confidence: 1, worker: AWL4VD8C90KJR (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2LT5VXO2LS0UL
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2A42CU48PN8CX
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
(0: guessing, 1: probably, 2: definitely)