Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.0531998189423
Darker point darker score: -0.00964739952854
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1H10UJNXTJDX4
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3UIVQJXY62XU8
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1NO4LG6KGOGFD
darker: E (eq: True, dd: None), confidence: 1, worker: A11KMASRERFP0V
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3VO5CW9ZY22MZ
(0: guessing, 1: probably, 2: definitely)