Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.03594586174
Darker point darker score: 0.900657415458
darker: 2 (eq: False, dd: True), confidence: 1, worker: A234WZ4KX8IW07
darker: 2 (eq: False, dd: True), confidence: 2, worker: A216863E5VMFSV (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2SYRUPGAUG1QO
darker: 2 (eq: False, dd: True), confidence: 2, worker: AW0K78T4I2T72
darker: 2 (eq: False, dd: True), confidence: 2, worker: AP29T5XPOQKG2 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2VVSQ1PSXKGVE
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 1, worker: A26Y4BFHJE7MN4 (marked invalid)
(0: guessing, 1: probably, 2: definitely)