Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.949308510118
Darker point darker score: 1.00246358245
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2UFJC7YN3N0YX
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3R5MEKMYYM2JX
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2H4ON6BUHMY1L (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1136V0RZUR5TO
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3O8YXPG1HGUH0
darker: 1 (eq: False, dd: True), confidence: 2, worker: AFH7YHIYLMGFY
(0: guessing, 1: probably, 2: definitely)