Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0112569652819
Darker point darker score: 0.936445707588
darker: E (eq: True, dd: None), confidence: 2, worker: A3593PI95G678K
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1PCTP576OW35H (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2GIH07XETLUD7
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2BG6O1B5B3F78
darker: E (eq: True, dd: None), confidence: 2, worker: A3FRJKOYCI9Q53
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2JVJ7J2MVGW9S
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3RLTUXIM8TU3K (marked invalid)
(0: guessing, 1: probably, 2: definitely)