Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.242593479473
Darker point darker score: 0.204922564812
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: APLPGURGFU8KN
darker: 1 (eq: False, dd: True), confidence: 2, worker: A20HBLXCTOG7MI (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A8DFFGPH3G3V5
darker: 2 (eq: False, dd: False), confidence: 1, worker: A2Q27LZW3VNDIP
darker: 1 (eq: False, dd: True), confidence: 2, worker: AKG5TLUQ2WWED
darker: E (eq: True, dd: None), confidence: 2, worker: A2VVSQ1PSXKGVE
(0: guessing, 1: probably, 2: definitely)