Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.10462526536
Darker point darker score: 0.998489516923
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2B8MKZ6ING8E7
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3Q2HC4T5MHY93
darker: E (eq: True, dd: None), confidence: 0, worker: A1ZGOZQF2VZ0X9 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A9Y1HKUEOOEPM
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3R5MEKMYYM2JX
darker: 2 (eq: False, dd: True), confidence: 2, worker: A277RSAE4AKWW0
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1WRANKL1HRGYW
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1N274L13ZKKI5
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3O8YXPG1HGUH0
darker: 2 (eq: False, dd: True), confidence: 2, worker: A92IZM4P9SJ2S
darker: E (eq: True, dd: None), confidence: 0, worker: ASJ2RFXCJT1T8
(0: guessing, 1: probably, 2: definitely)