Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -1.03364746826
Darker point darker score: 0.350960485624
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1E9VI5RSZI31F
darker: 1 (eq: False, dd: True), confidence: 1, worker: APWBUB0PDRLS5
darker: 2 (eq: False, dd: False), confidence: 2, worker: ATWGPR2A3M7WU (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: 1 (eq: False, dd: True), confidence: 1, worker: A92IZM4P9SJ2S
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2VVSQ1PSXKGVE
(0: guessing, 1: probably, 2: definitely)