Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -1.03199102791
Darker point darker score: 0.923818512175
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1GM94HPPS4SS0 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: A350DTTUYQLHKJ
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2DTELFC4X0QJQ
darker: 1 (eq: False, dd: True), confidence: 2, worker: A15XHPD9NN0LU2
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1NQZHW4RY6IDR
darker: 1 (eq: False, dd: True), confidence: 2, worker: ADPVKKFJ886DJ
(0: guessing, 1: probably, 2: definitely)