Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.918908963903
Darker point darker score: 0.944823224054
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1SFYDEB425DC3
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1PGQZ8N5QB4F4 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A60085NFAM25W
darker: 1 (eq: False, dd: True), confidence: 2, worker: A22BAUES1TIZS6
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2HCXQ6WTTL79C
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3LHITZX5D9J9A
(0: guessing, 1: probably, 2: definitely)