Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.927913409788
Darker point darker score: 0.215467254365
darker: 2 (eq: False, dd: True), confidence: 1, worker: AS47ZFZ2M16E1
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A26QZVXO4ZS0ED
darker: 1 (eq: False, dd: False), confidence: 2, worker: AG5PRN6LLI9E1
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3A45A5YUM61LK
darker: 2 (eq: False, dd: True), confidence: 2, worker: AP29T5XPOQKG2 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: AU4FF0366TBAR (marked invalid)
(0: guessing, 1: probably, 2: definitely)