Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.218169512953
Darker point darker score: 0.0650427053718
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1NO4LG6KGOGFD
darker: 2 (eq: False, dd: True), confidence: 2, worker: A258PTOZ3D2TQR
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3HPVFAF1U9WXK
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1ERG69NJPO0XP
darker: E (eq: True, dd: None), confidence: 2, worker: AGY2PTZLZFT2L
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1LC5CYDRIHNRM (marked invalid)
(0: guessing, 1: probably, 2: definitely)