Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.907458796978
Darker point darker score: 1.05547142667
darker: 2 (eq: False, dd: True), confidence: 0, worker: A2YAM0NOL7EQNG
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3DY9JPLPQUN1O
darker: 2 (eq: False, dd: True), confidence: 2, worker: APWBUB0PDRLS5
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2HSGLM9NG1QN7
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A38BNV13AV0S8Y
(0: guessing, 1: probably, 2: definitely)