Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.199130613418
Darker point darker score: 0.202416090561
darker: 1 (eq: False, dd: False), confidence: 1, worker: APROFW08F7Z34
darker: 2 (eq: False, dd: True), confidence: 0, worker: A266PK4BO3GBQC
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3HIIRTGJUJZ1D
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2H4ON6BUHMY1L (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2YYHNACJ8MFTU
darker: E (eq: True, dd: None), confidence: 2, worker: A2VVSQ1PSXKGVE
(0: guessing, 1: probably, 2: definitely)