Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.214268229108
Darker point darker score: 0.938110950042
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2H4ON6BUHMY1L (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2DNSD743W4OC2
darker: 2 (eq: False, dd: True), confidence: 2, worker: AMV1QZDL5K6PG
darker: 2 (eq: False, dd: True), confidence: 2, worker: AFH7YHIYLMGFY
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: 2 (eq: False, dd: True), confidence: 2, worker: ADPVKKFJ886DJ
(0: guessing, 1: probably, 2: definitely)