<｜begin▁of▁sentence｜>### Instruction:
Given an RGBA color 'rgba(135, 206, 250, 0.5)', can you format it for use with Plotly's scatter plot function, and then create a scatter plot using this color?
### Response:
import plotly.express as px

# Define RGBA color
rgba_color = 'rgba(135, 206, 250, 0.5)'

# Format the color for Plotly
formatted_color = px.colors.label_rgb(rgba_color)

# Use the formatted color in a Plotly scatter plot
fig = px.scatter(x=[1, 2, 3], y=[3, 2, 1], color_discrete_sequence=[formatted_color])
fig.show()
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