Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.935597586402
Darker point darker score: 0.990248674639
darker: 2 (eq: False, dd: True), confidence: 1, worker: A14VYU4RTNHD1D
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3Q2XBURXQ8RJS
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3JSQQSFSORW59 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2CQLD1RK8ZQ7D
darker: 2 (eq: False, dd: True), confidence: 2, worker: AET2U31SXUAPM
darker: 2 (eq: False, dd: True), confidence: 1, worker: A266PK4BO3GBQC
(0: guessing, 1: probably, 2: definitely)