Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.533424362753
Darker point darker score: 0.949571264051
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2KJ983WWTEK4L
darker: 2 (eq: False, dd: True), confidence: 2, worker: AW0K78T4I2T72
darker: 2 (eq: False, dd: True), confidence: 2, worker: A356FSW4GNH609 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2U6RU3NL5CGH7
darker: E (eq: True, dd: None), confidence: 1, worker: A277RSAE4AKWW0
(0: guessing, 1: probably, 2: definitely)