Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.951323864935
Darker point darker score: 0.165477955018
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1NJMUQIN7L8AD
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3O8YXPG1HGUH0
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1GVN53BJRWKD2
darker: 2 (eq: False, dd: True), confidence: 2, worker: A27H0BKXDPJ543
darker: 2 (eq: False, dd: True), confidence: 2, worker: A18WZ06GBK6FGZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3NWQ0535HAXUD
(0: guessing, 1: probably, 2: definitely)