def get_color_for_val(val, vmin, vmax, pl_colorscale):
    if vmin >= vmax:
        raise ValueError('vmin should be < vmax')

    plotly_scale, plotly_colors = list(map(float, np.array(pl_colorscale)[:,0])), np.array(pl_colorscale)[:,1]
    colors_01=np.array(list(map(literal_eval,[color[3:] for color in plotly_colors] )))/255.

    v= (val - vmin) / float((vmax - vmin))

    idx = 0

    while(v > plotly_scale[idx+1]):
        idx+=1
    left_scale_val = plotly_scale[idx]
    right_scale_val = plotly_scale[idx+ 1]
    vv = (v - left_scale_val) / (right_scale_val - left_scale_val)

    val_color01 = colors_01[idx]+vv*(colors_01[idx + 1]-colors_01[idx])
    val_color_0255 = list(map(np.uint8, 255*val_color01+0.5))
    return 'rgb'+str(tuple(val_color_0255))