Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.378660115351
Darker point darker score: 0.243265263183
darker: E (eq: True, dd: None), confidence: 1, worker: AO2JIXLS5MIC5 (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: AOTT3V8WZ4V60
darker: 2 (eq: False, dd: True), confidence: 1, worker: AZX5II1VFIK4R
darker: 1 (eq: False, dd: False), confidence: 2, worker: A27H0BKXDPJ543
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1XYJZ1AFNUURD
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1JHVZIC3FH9LG
(0: guessing, 1: probably, 2: definitely)