Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.193256029229
Darker point darker score: 1.01572113288
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3Q2HC4T5MHY93
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1SRPH3BGCHUOA
darker: 2 (eq: False, dd: True), confidence: 2, worker: A6KUVG49ZZ40M (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: AUJPYSYU7YL5
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2ZMZDOTHBMUCK
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1RHI1ARUZZKGP
darker: E (eq: True, dd: None), confidence: 2, worker: A3QTG4DHHV2KD6
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2YYHNACJ8MFTU
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2GDON3WOQBNI0
darker: 2 (eq: False, dd: True), confidence: 2, worker: ALY6VKHUADU6F
(0: guessing, 1: probably, 2: definitely)