Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.943236842788
Darker point darker score: 0.286341097015
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NO4LG6KGOGFD
darker: 2 (eq: False, dd: True), confidence: 2, worker: A30M7MYW1BHQN1
darker: 2 (eq: False, dd: True), confidence: 2, worker: A325FINFEL3NH8 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: ASOOONBGQ48YI
darker: 1 (eq: False, dd: False), confidence: 1, worker: A167L9XCC3KHPF
darker: 2 (eq: False, dd: True), confidence: 2, worker: A22BAUES1TIZS6
darker: 2 (eq: False, dd: True), confidence: 2, worker: A27H0BKXDPJ543
darker: 2 (eq: False, dd: True), confidence: 2, worker: A106BTOUPN1KRV
(0: guessing, 1: probably, 2: definitely)