Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.957420211445
Darker point darker score: -0.0599884607371
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1GM94HPPS4SS0
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1I4YHF7RG58DV
darker: 1 (eq: False, dd: False), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3VO5CW9ZY22MZ
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3B0AB2C9SIHN
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1NQZHW4RY6IDR
(0: guessing, 1: probably, 2: definitely)