Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.927463886475
Darker point darker score: 0.941497584188
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3JB8CDV1SF2TH
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1PGQZ8N5QB4F4 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1JF9ZNXWK5QZU (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1S7UPUHFVXX4Z
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1JEDFDBWHLA1F
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3163PFOUKXQKA
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1OA3O78YDXGZO
(0: guessing, 1: probably, 2: definitely)