Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0455051721655
Darker point darker score: 0.909806497386
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3JB8CDV1SF2TH
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3UC4JITM1QD1M
darker: 2 (eq: False, dd: True), confidence: 1, worker: A22BAUES1TIZS6
darker: E (eq: True, dd: None), confidence: 1, worker: AEHEZAYCPWF0E
darker: 2 (eq: False, dd: True), confidence: 0, worker: AG5PRN6LLI9E1
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1IJ5RKJ4MD2AM (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A35Y9YHW91OY2U (marked invalid)
(0: guessing, 1: probably, 2: definitely)