@drorata try this:
import plotly.express as px
import pandas as pd
df = pd.DataFrame(dict(
Date=[1,2,3],
Averaged=[1,2,3],
Raw=[2,3,1]
))
fig = px.line(df, x="Date", y=["Averaged", "Raw"],
color_discrete_map={
"Average": "#456987",
"Raw": "#147852"
})
fig.show()