Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.06659735122
Darker point darker score: 0.929741119027
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3Q2HC4T5MHY93
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2S9J5W3VOD0M6
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2VVSQ1PSXKGVE
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2DTELFC4X0QJQ
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3DY9JPLPQUN1O
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3U65EZ76A3HCN
darker: 2 (eq: False, dd: True), confidence: 2, worker: A29WHBX4Y40L08 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A106BTOUPN1KRV
(0: guessing, 1: probably, 2: definitely)