Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.14375831436
Darker point darker score: 0.254863868546
darker: 2 (eq: False, dd: True), confidence: 2, worker: A14PFRHG0A2YY9
darker: 2 (eq: False, dd: True), confidence: 1, worker: AXCPRXO08DFAH (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 0, worker: A2OF0GTKWKM2T5
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1136V0RZUR5TO
darker: E (eq: True, dd: None), confidence: 2, worker: A3163PFOUKXQKA
(0: guessing, 1: probably, 2: definitely)