Colors in first column should apply in both odd and even rows.
Sepal.Length
Sepal.Width
Petal.Length
Petal.Width
Species
5.1
3.5
1.4
0.2
setosa
4.9
3.0
1.4
0.2
setosa
7.0
3.2
4.7
1.4
versicolor
6.4
3.2
4.5
1.5
versicolor
6.3
3.3
6.0
2.5
virginica
5.8
2.7
5.1
1.9
virginica