Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.890530503437
Darker point darker score: 0.939710924963
darker: 2 (eq: False, dd: True), confidence: 2, worker: A14BFNH96MJQH
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3760PCQD2MPIO
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3U65EZ76A3HCN
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2I0M1XXACA4WE (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NX9Q0EAOPYN3
(0: guessing, 1: probably, 2: definitely)