Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.233096202578
Darker point darker score: 1.08982504769
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3DKW5X4Y1Z6UD
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1YQ4Z1018RM1R
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3LSDO3YPF1SFT
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2S96ZZ70YFPSK
darker: 1 (eq: False, dd: True), confidence: 2, worker: A38TQC40K87G6I (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2DWQF4ZHHBLOW
(0: guessing, 1: probably, 2: definitely)