Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.884980732995
Darker point darker score: 0.112972476463
darker: 1 (eq: False, dd: True), confidence: 2, worker: ATWGPR2A3M7WU (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 0, worker: A1TQYQG3VFJTWW
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2EKPA2DR5VSA8
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3PF1VER45OVPM
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3NWQ0535HAXUD
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1DDY93NB8NESD
(0: guessing, 1: probably, 2: definitely)