Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.234908269112
Darker point darker score: 0.937535492254
darker: 2 (eq: False, dd: True), confidence: 2, worker: A22BAUES1TIZS6
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3QW1C79IH4GOG
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NF6PELRKACS9
darker: 2 (eq: False, dd: True), confidence: 2, worker: A7PVOM63I6UH5 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A20ROJTQAV4ATK
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2H4ON6BUHMY1L (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AJSZEUBV1O00K (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1MQPBGSL800TL
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2EY9GDVA7L8YM (marked invalid)
(0: guessing, 1: probably, 2: definitely)