Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0798759550459
Darker point darker score: 0.92554461861
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2D6GU31XFG5LY
darker: 2 (eq: False, dd: True), confidence: 2, worker: AGO9QN7UEDUYL
darker: 2 (eq: False, dd: True), confidence: 2, worker: AKG5TLUQ2WWED
darker: E (eq: True, dd: None), confidence: 1, worker: A3GTIIFSMHAKRZ
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2VVSQ1PSXKGVE
(0: guessing, 1: probably, 2: definitely)