Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.03552781257
Darker point darker score: 0.114521006894
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2DCLU4B46AB1U
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3BDIZNPI5GKQI
darker: 1 (eq: False, dd: False), confidence: 2, worker: AKG5TLUQ2WWED
darker: 2 (eq: False, dd: True), confidence: 2, worker: AQD91RFHV1WNE (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3RZMD0GPKZBJ5
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2VVSQ1PSXKGVE
(0: guessing, 1: probably, 2: definitely)