Write text in particular font color in MS word using python-docx

I have found the answer myself using python-docx docs,

Here is the correct code:

from docx import Document
from docx.shared import RGBColor
document = Document()
run = document.add_paragraph().add_run('some text')
font = run.font
font.color.rgb = RGBColor(0x42, 0x24, 0xE9)
p=document.add_paragraph('aaa')
document.save('demo1.docx')

'some text' is a parameter of add_run() function rather than add_paragraph() function.

The above code gives desired color.

RGBColor

from docx import Document
from docx.shared import RGBColor

document = Document()
paragraph = document.add_paragraph()
run = paragraph.add_run('Red ')
run.font.color.rgb = RGBColor(255, 0, 0)
run = paragraph.add_run('Green ')
run.font.color.rgb = RGBColor(0x00, 0xFF, 0x00)
run = paragraph.add_run('Blue')
run.font.color.rgb = RGBColor.from_string('0000FF')
document.save('test.docx')