Scale color and fill

from plotnine.data import penguins
from plotnine import *

p = (
    ggplot(penguins, aes("bill_length_mm", "bill_depth_mm", color="species"))
    + geom_point()
)

Choosing between color and fill

Specifying a continuous palette

Specifying a discrete palette

p + scale_color_brewer("qualitative", palette="Dark2")

qualitative
sequential
diverging

(short codes)

# p + scale_color_hue(=280 / 360, 1, .5)

(
    p
    + scale_color_manual(
        breaks=["Adelie", "Gentoo", "Chinstrap"], values=["blue", "orange", "green"]
    )
)

Setting alpha transparency

Ordering levels

Grouping levels