Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.999364275121
Darker point darker score: 0.950362879168
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 0, worker: A19JD78JJXEW01
darker: 2 (eq: False, dd: True), confidence: 0, worker: AKJ6IXN6XE7OQ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3B0AB2C9SIHN
darker: 2 (eq: False, dd: True), confidence: 1, worker: A92IZM4P9SJ2S
darker: 2 (eq: False, dd: True), confidence: 2, worker: ATPCAF2RU1G4C (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3799NWTIYKCEV
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2BELXEEQTFLXE (marked invalid)
(0: guessing, 1: probably, 2: definitely)