Table 1. List of samples with PIE-score, eye colour category, IrisPlex prediction, and nationality.

Sample	PIE-score	Eye colour category	IrisPlex prediction (p-value, Blue)	Nationality
1	1.00	Blue	0.96	Danish
2	1.00	Blue	0.96	Danish
3	1.00	Blue	0.91	Swedish
4	1.00	Blue	0.96	Danish
5	1.00	Blue	0.85	Danish
6	1.00	Blue	0.93	Danish
7	1.00	Blue	0.93	Italian
8	1.00	Blue	0.91	Italian
9	0.99	Blue	0.97	Italian
10	0.99	Blue	0.88	Swedish
11	0.98	Blue	0.93	Danish
12	0.90	Blue	0.93	Swedish
13	0.87	Blue	0.91	Italian
14	0.87	Blue	0.96	Danish
15	0.86	Blue	0.88	Italian
16	0.78	Blue	0.93	Danish
17	0.71	Blue	0.91	Swedish
18	0.64	Blue	0.93	Swedish
19	0.55	Blue	0.85	Swedish
20	0.32	Blue	0.85	Swedish
21	0.23	Blue	0.93	Danish
22	0.20	Blue	0.88	Danish
23	0.14	Blue	0.88	Italian
24	0.12	Blue	0.85	Italian
25	-0.01	Brown	0.91	Swedish
26	-0.07	Brown	0.91	Swedish
27	-0.09	Brown	0.85	Italian
28	-0.09	Brown	0.91	Danish
29	-0.17	Brown	0.92	Italian
30	-0.20	Brown	0.91	Danish
31	-0.29	Brown	0.91	Italian
32	-0.36	Brown	0.90	Danish
33	-0.44	Brown	0.85	Swedish
34	-0.50	Brown	0.91	Swedish
35	-0.55	Brown	0.85	Danish
36	-0.62	Brown	0.91	Swedish
37	-0.71	Brown	0.85	Swedish
38	-0.85	Brown	0.93	Swedish
39	-0.89	Brown	0.91	Danish
40	-0.91	Brown	0.85	Italian