Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.940462255309
Darker point darker score: 0.940428568364
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3NWQ0535HAXUD
darker: 1 (eq: False, dd: True), confidence: 1, worker: A26N0ZAW34UJUV
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3DHYTZ1GPN0T8
darker: 1 (eq: False, dd: True), confidence: 2, worker: AGY2PTZLZFT2L
darker: 1 (eq: False, dd: True), confidence: 2, worker: AF8M0GI3M45B8
darker: E (eq: True, dd: None), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
(0: guessing, 1: probably, 2: definitely)