Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.950619296134
Darker point darker score: 0.974281078044
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2RVSBEHUCNC6K (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A237FGJCPV99GJ
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3HO0DT978POJ2
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3DHYTZ1GPN0T8
darker: 1 (eq: False, dd: True), confidence: 1, worker: AU4FF0366TBAR (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3A45A5YUM61LK
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3163PFOUKXQKA
(0: guessing, 1: probably, 2: definitely)