Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -1.03744092645
Darker point darker score: 0.405648674176
darker: 2 (eq: False, dd: False), confidence: 0, worker: A2YAM0NOL7EQNG
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2H4ON6BUHMY1L (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: AW0K78T4I2T72
darker: 1 (eq: False, dd: True), confidence: 2, worker: AE808DQDYM9F
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2VVSQ1PSXKGVE
(0: guessing, 1: probably, 2: definitely)