Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.05046371745
Darker point darker score: 0.926388435038
darker: E (eq: True, dd: None), confidence: 1, worker: AU4FF0366TBAR (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3PX16PNFHQ5OK
darker: 2 (eq: False, dd: True), confidence: 2, worker: AUD2Y1IOZ0GN4 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A60085NFAM25W
darker: 2 (eq: False, dd: True), confidence: 2, worker: AEHEZAYCPWF0E
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3485IQYNO94GA
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1IJ5RKJ4MD2AM (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2VVSQ1PSXKGVE
(0: guessing, 1: probably, 2: definitely)