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Table 2 HIrisPlex-based eye and hair colour prediction results for the 26 samples tested

From: Bona fide colour: DNA prediction of human eye and hair colour from ancient and contemporary skeletal remains

Sample Probability values of hair colour categories Probability values of hair colour shade Inferred most likely hair colour Accuracy probability value of predicted hair colour based on a >300 European test set Probability values of eye colour categories Inferred most likely eye colour Accuracy probability value of predicted eye colour based on a >3800 European test set
S1 Brown 0.367 Light 0.268 Dark Brown 78.5% Blue 0.317 Brown 87.5%
Red 0.002 Dark 0.732 Int. 0.193
Black 0.499 Brown 0.490
Blond 0.133
S2 Brown 0.246 Light 0.655 Dark Blond/Brown 78.5% Blue 0.306 Brown 91%
Red 0.001 Dark 0.345 Int. 0.142
Brown 0.552
Black 0.326
Blond 0.427
S3 Brown 0.496 Light 0.215 Dark Brown 78.5% Blue 0.190 Brown 90.4%
Red 0.001 Dark 0.785 Int. 0.271
Black 0.406 Brown 0.539
Blond 0.098
S4 Brown 0.064 Light 0.976 Light Blond 69.5% Blue 0.919 Blue 97.4%
Red 0.048 Dark 0.024 Int. 0.048
Black 0.025 Brown 0.033
Blond 0.864
S5 Brown 0.251 Light 0.020 Black/Dark Brown 87.5% Blue 0.706 Blue 94%
Red 0.000 Dark 0.980 Int. 0.117
Black 0.729 Brown 0.177
Blond 0.020
S6 Brown 0.227 Light 0.171 Dark Brown 78.5% Blue 0.002 Brown 99%
Red 0.000 Dark 0.829 Int. 0.026
Black 0.636 Brown 0.972
Blond 0.136
S7 Brown 0.282 Light 0.030 Black/Dark Brown 87.5% Blue 0.706 Blue 94%
Red 0.000 Dark 0.970 Int. 0.117
Black 0.690 Brown 0.177
Blond 0.028
S8 Brown 0.246 Light 0.196 Dark Brown 78.5% Blue 0.024 Brown 95.6%
Red 0.000 Dark 0.804 Int. 0.083
Black 0.594 Brown 0.892
Blond 0.160
S9 Brown 0.324 Light 0.212 Dark Brown 78.5% Blue 0.911 Blue 97.4%
Red 0.001 Dark 0.788 Int. 0.057
Black 0.538 Brown 0.032
Blond 0.136
S10 Brown 0.153 Light 0.016 Black 87.5% Blue 0.001 Brown 99%
Red 0.000 Dark 0.984 Int. 0.016
Black 0.829 Brown 0.983
Blond 0.017
S11 Brown 0.076 Light 0.964 Light Blond 69.5% Blue 0.950 Blue 99%
Red 0.037 Dark 0.036 Int. 0.030
Black 0.035 Brown 0.020
Blond 0.852
S12 Brown 0.044 Light 0.969 Light Blond 69.5% Blue 0.937 Blue 97.4%
Red 0.090 Dark 0.031 Int. 0.041
Black 0.049 Brown 0.022
Blond 0.817
S13 Brown 0.180 Light 0.883 Dark Blond/Light Brown 69.5% Blue 0.229 Brown 91.9%
Red 0.025 Dark 0.117 Int. 0.128
Black 0.119 Brown 0.643
Blond 0.676
S14 Brown 0.157 Light 0.907 Light Blond 69.5% Blue 0.899 Blue 95.6%
Red 0.005 Dark 0.093 Int. 0.066
Black 0.072 Brown 0.035
Blond 0.766
S15 Brown 0.168 Light 0.927 Light Blond 69.5% Blue 0.870 Blue 95.6%
Red 0.004 Dark 0.073    Int. 0.076   
Black 0.064 Brown 0.053
Blond 0.765
S16 Brown 0.089 Light 0.951 Light Blond 69.5% Blue 0.950 Blue 99%
Red 0.002 Dark 0.049 Int. 0.030
Black 0.054 Brown 0.020
Blond 0.856
S17 Brown 0.221 Light 0.696 Dark Blond/Brown 78.5% Blue 0.207 Brown 91.9%
Red 0.001 Dark 0.304 Int. 0.161
Black 0.263 Brown 0.632
Blond 0.514
S18 Brown 0.083 Light 0.969 Light Blond 69.5% Blue 0.937 Blue 97.4%
Red 0.090 Dark 0.031 Int. 0.041
Black 0.024 Brown 0.022
Blond 0.802
S19 Brown 0.075 Light 0.968 Light Blond 69.5% Blue 0.950 Blue 99%
Red 0.002 Dark 0.032 Int. 0.030
Black 0.039 Brown 0.020
Blond 0.883
S20 Brown 0.246 Light 0.727 Dark Blond/Brown 78.5% Blue 0.207 Brown 91.9%
Red 0.001 Dark 0.273 Int. 0.161
Black 0.183 Brown 0.632
Blond 0.570
S21 Brown 0.089 Light 0.951 Light Blond 69.5% Blue 0.937 Blue 97.4%
Red 0.002 Dark 0.049 Int. 0.041
Black 0.054 Brown 0.022
Blond 0.856
S22 Brown 0.155 Light 0.934 Light Blond 69.5% Blue 0.870 Blue 95.6%
Red 0.008 Dark 0.066 Int. 0.076
Black 0.053 Brown 0.053
Blond 0.783
S23 Brown 0.218 Light 0.696 Dark Blond/Brown 78.5% Blue 0.150 Brown 94%
Red 0.002 Dark 0.304 Int. 0.140
Black 0.248 Brown 0.711
Blond 0.532
S24 Brown 0.202 Light 0.695 Dark Blond/Brown 78.5% Blue 0.277 Brown 90.4%
Red 0.002 Dark 0.305 Int. 0.179
Black 0.301 Brown 0.543
Blond 0.495
S25 - - -   Blue 0.899 Blue 95.6%
Int. 0.066
Brown 0.035
S26 Brown 0.131 Light 0.918 Light Blond 69.5% Blue 0.919 Blue 97.4%
  Red 0.007 Dark 0.082    Int. 0.048   
  Black 0.078     Brown 0.033   
  Blond 0.784       
  1. Probability estimation and final prediction of eye colour was done according to Walsh et al. 2011 [24] and eye colour accuracy estimation according to Walsh et al. 2012 [26].
  2. Probability and accuracy estimation and final prediction for hair colour and hair colour shade was done according to Walsh et al. 2012 [40].
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