Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.238371777542
Darker point darker score: 0.974603583007
darker: E (eq: True, dd: None), confidence: 1, worker: A3163PFOUKXQKA
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3QW1C79IH4GOG
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2H4ON6BUHMY1L (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2Q1A5H715C3EK
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3CB0SM114NJVL
darker: 1 (eq: False, dd: True), confidence: 2, worker: A28GL1T0ED56TJ
(0: guessing, 1: probably, 2: definitely)