Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.0772654624213
Darker point darker score: 0.905774813792
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A2631BM7J7H37K
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2SNX0RFIPIO60
darker: 1 (eq: False, dd: True), confidence: 2, worker: A8MF3Y278EWK2
darker: E (eq: True, dd: None), confidence: 2, worker: A1IOJ2LGMGISYM
darker: 1 (eq: False, dd: True), confidence: 2, worker: ANE1T9B3JJAS5
(0: guessing, 1: probably, 2: definitely)