Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.10401005882
Darker point darker score: 0.891412684237
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2KGL2FXIG2IQM (marked invalid)
darker: E (eq: True, dd: None), confidence: 0, worker: A3JKYHQMKDV1Y9
darker: 2 (eq: False, dd: True), confidence: 0, worker: A2H1TPZ3PZ8CVK
darker: 2 (eq: False, dd: True), confidence: 2, worker: A106BTOUPN1KRV
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3NBD6P0INJB4G
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
(0: guessing, 1: probably, 2: definitely)