Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.356658579494
Darker point darker score: 0.970717445402
darker: 1 (eq: False, dd: True), confidence: 2, worker: AI0LPDLUHKFMT (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 0, worker: A3TVDFJ22T1FFN (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2RA4A0LLQLGUW
darker: 1 (eq: False, dd: True), confidence: 2, worker: A36D1YU9L1AF0Y
darker: 1 (eq: False, dd: True), confidence: 2, worker: A12ABO48ZV09LR (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2Q1A5H715C3EK
darker: 1 (eq: False, dd: True), confidence: 2, worker: AWL4VD8C90KJR (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: AYDW5LJOF8GF2
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3DY9JPLPQUN1O
(0: guessing, 1: probably, 2: definitely)