Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.886824956872
Darker point darker score: 0.978087409609
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2XWHAVGMXTVMJ
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A237FGJCPV99GJ
darker: 2 (eq: False, dd: True), confidence: 2, worker: A28B3UID8AT1GJ
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1I4YHF7RG58DV
darker: 2 (eq: False, dd: True), confidence: 2, worker: AGO9QN7UEDUYL
(0: guessing, 1: probably, 2: definitely)