Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -1.02177060394
Darker point darker score: 0.159435042625
darker: 1 (eq: False, dd: True), confidence: 2, worker: A7DN8E3C7IWLI (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3DY9JPLPQUN1O
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3I4NM85R4LN97
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1MQPBGSL800TL
darker: 1 (eq: False, dd: True), confidence: 2, worker: A38BNV13AV0S8Y
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1JHVZIC3FH9LG
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1D2E3QRL7O43T
(0: guessing, 1: probably, 2: definitely)