Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.933071360681
Darker point darker score: 0.941881159157
darker: 2 (eq: False, dd: True), confidence: 2, worker: AVQ23YRFWZKHH (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1BDJFRSELMRDT
darker: 2 (eq: False, dd: True), confidence: 2, worker: A14MXJ8GNYDWX1
darker: 2 (eq: False, dd: True), confidence: 2, worker: AET2U31SXUAPM
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1A50D6DABL6IK
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2JTDTGLA7IZ0L
(0: guessing, 1: probably, 2: definitely)