##gff-version 3
##sequence-region chr1	1	1497228
chr1	.	gene	1000	9000	.	t	.	ID=gene00001;Name=gray;color=#C0C0C0
chr1	.	gene	11000	19000	.	t	.	ID=gene00002;Name=purple;color=130,0,130
chr1	.	gene	21000	29000	.	t	.	ID=gene00003;Name=green;color=rgb(0,150,0)
chr1	.	gene	31000	39000	.	t	.	ID=gene00004;Name=red;color=red
chr1	.	gene	41000	49000	.	t	.	ID=gene00005;Name=non-valid-color;color=3