Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.400430433759
Darker point darker score: 0.995660790369
darker: 2 (eq: False, dd: True), confidence: 0, worker: AQAKW9NW6Z61T
darker: 1 (eq: False, dd: False), confidence: 1, worker: A1XX6ZVVS2UTO7 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1I4YHF7RG58DV
darker: 2 (eq: False, dd: True), confidence: 2, worker: A7S0IDTDA59QN
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1IOJ2LGMGISYM
darker: E (eq: True, dd: None), confidence: 2, worker: A2VVSQ1PSXKGVE
(0: guessing, 1: probably, 2: definitely)