# bokeh version 0.12.5
# run in terminal with: python -m bokeh serve --show line_plot_color.py

from bokeh.io import curdoc
from bokeh.models import ColumnDataSource
from bokeh.plotting import Figure
from bokeh.layouts import row

source = ColumnDataSource(data = dict(color = ['green','green','green'], xs = [1,2,3], ys = [1,2,3]))
fig = Figure(plot_width=300, plot_height=300)

#r = fig.circle('xs','ys',source = source, size = 12, fill_color = 'color') # works as expected
r = fig.line('xs','ys',source = source, line_color = 'color') # fails to plot; no errors or warnings in terminal
#r = fig.line('xs','ys',source = source, line_color = 'green')  # works as expected

layout = row(fig)
curdoc().add_root(layout)