Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.286224362938
Darker point darker score: 0.0603587616935
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3799NWTIYKCEV
darker: 2 (eq: False, dd: False), confidence: 0, worker: A2EKPA2DR5VSA8
darker: 1 (eq: False, dd: True), confidence: 2, worker: A167L9XCC3KHPF
darker: 1 (eq: False, dd: True), confidence: 2, worker: AUD2Y1IOZ0GN4 (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3A45A5YUM61LK
darker: E (eq: True, dd: None), confidence: 2, worker: A1MQPBGSL800TL
(0: guessing, 1: probably, 2: definitely)