Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.27885435437
Darker point darker score: 0.896022115487
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2B8MKZ6ING8E7
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1PCTP576OW35H (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 2, worker: AE808DQDYM9F
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1LC5CYDRIHNRM (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A5R9TAN5DI19I (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3163PFOUKXQKA
(0: guessing, 1: probably, 2: definitely)