Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.343890638221
Darker point darker score: 0.974772845518
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1TKGFJSMVR2RP
darker: 1 (eq: False, dd: True), confidence: 0, worker: A2OF0GTKWKM2T5
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1ZYJ67OVTOHQR
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1VKSXDK4QAEF9
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1IOJ2LGMGISYM
(0: guessing, 1: probably, 2: definitely)