Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -1.04831563774
Darker point darker score: 0.930170640997
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3PIU3R3IE6VDW
darker: 1 (eq: False, dd: True), confidence: 0, worker: A3LNPBZXHKKAA7
darker: 1 (eq: False, dd: True), confidence: 2, worker: AUD2Y1IOZ0GN4 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3QW1C79IH4GOG
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2VVSQ1PSXKGVE
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3NWQ0535HAXUD
(0: guessing, 1: probably, 2: definitely)