Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.171679163151
Darker point darker score: 0.270932927773
darker: E (eq: True, dd: None), confidence: 2, worker: A9Y1HKUEOOEPM
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1E9VI5RSZI31F
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3QW1C79IH4GOG
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2H4ON6BUHMY1L (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3R5MEKMYYM2JX
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1136V0RZUR5TO
(0: guessing, 1: probably, 2: definitely)