From: A colour assessment methodology for oak wood
Fraction of the observers (%)
100
80
60
Consensus: brownish
26 (19 %)
50 (36 %)
59 (42 %)
Consensus: pinkish
21 (15 %)
31 (22 %)
49 (36 %)
No consensus
92 (66 %)
58 (42 %)