Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.179176776898
Darker point darker score: 0.0050055909408
darker: 2 (eq: False, dd: True), confidence: 0, worker: A1ITTM18PQP5X8
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3R5MEKMYYM2JX
darker: 2 (eq: False, dd: True), confidence: 2, worker: AHLVAVDNE9WI0
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2TE84RMBCJ1B1 (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: AC6QZ6VSEIYK1
darker: E (eq: True, dd: None), confidence: 2, worker: A234WZ4KX8IW07
(0: guessing, 1: probably, 2: definitely)