Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.01687880746
Darker point darker score: 0.328759162154
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2CXAWVGQ6QQ2V
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: 1 (eq: False, dd: False), confidence: 2, worker: AQD91RFHV1WNE (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2ZMZDOTHBMUCK
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3799NWTIYKCEV
darker: E (eq: True, dd: None), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A27H0BKXDPJ543
darker: 2 (eq: False, dd: True), confidence: 2, worker: AG5PRN6LLI9E1
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1D2E3QRL7O43T
(0: guessing, 1: probably, 2: definitely)