Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.092445304018
Darker point darker score: 0.0623908146737
darker: 1 (eq: False, dd: False), confidence: 0, worker: A1TKGFJSMVR2RP
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1NF6PELRKACS9
darker: E (eq: True, dd: None), confidence: 2, worker: A3BY51I44TUIOY
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3S6JT56CCUSE2 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2FNC7KTCBF9IT
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2Z6WC0PX1L4UG (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2A42CU48PN8CX
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1BTE6I49HJW2V (marked invalid)
(0: guessing, 1: probably, 2: definitely)