Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0436271163686
Darker point darker score: 0.174055998698
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3PX16PNFHQ5OK
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3JLJXKUPJX3J2
darker: 1 (eq: False, dd: False), confidence: 1, worker: AET2U31SXUAPM
darker: 2 (eq: False, dd: True), confidence: 0, worker: AUD2Y1IOZ0GN4 (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A3PF1VER45OVPM
darker: E (eq: True, dd: None), confidence: 0, worker: A2HCXQ6WTTL79C
(0: guessing, 1: probably, 2: definitely)