Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.927518535153
Darker point darker score: 0.947584572892
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1DDY93NB8NESD
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2KFG0H3IXPFM9 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3163PFOUKXQKA
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3NWQ0535HAXUD
darker: 1 (eq: False, dd: True), confidence: 1, worker: APWBUB0PDRLS5
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2CQLD1RK8ZQ7D
(0: guessing, 1: probably, 2: definitely)