Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.88590720678
Darker point darker score: 0.901583766411
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2YM7PJ6OSMSR9
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2DNSD743W4OC2
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1SRPH3BGCHUOA
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1PQOXIDIXQS81 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3UC4JITM1QD1M
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3O8YXPG1HGUH0
(0: guessing, 1: probably, 2: definitely)