Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0299409723832
Darker point darker score: 0.879732383494
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3QW1C79IH4GOG
darker: E (eq: True, dd: None), confidence: 0, worker: A95BNJY8QMMLQ
darker: E (eq: True, dd: None), confidence: 1, worker: A2KGFKD1S21AZA
darker: E (eq: True, dd: None), confidence: 1, worker: A3163PFOUKXQKA
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2H4ON6BUHMY1L (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AKG5TLUQ2WWED
(0: guessing, 1: probably, 2: definitely)