Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.02665216063
Darker point darker score: 1.02531689293
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1GY0P2ZEJ1RK7
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1PGQZ8N5QB4F4 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AGO9QN7UEDUYL
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3QTG4DHHV2KD6
darker: 2 (eq: False, dd: True), confidence: 1, worker: AMDW925P9IY2O
darker: 2 (eq: False, dd: True), confidence: 2, worker: AYDW5LJOF8GF2
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3FZ7C7M6VD21M (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2Q5IX1YGGLQML (marked invalid)
(0: guessing, 1: probably, 2: definitely)