diff --git a/piel/visual/piel_fast.rcParams b/piel/visual/piel_fast.rcParams
index bc828910..52ed4c15 100644
--- a/piel/visual/piel_fast.rcParams
+++ b/piel/visual/piel_fast.rcParams
@@ -404,7 +404,7 @@ axes.axisbelow:     line    # draw axis gridlines and ticks:
 
 #axes.unicode_minus: True  # use Unicode for the minus symbol rather than hyphen.  See
                            # https://en.wikipedia.org/wiki/Plus_and_minus_signs#Character_codes
-axes.prop_cycle: cycler('color', ['1982C4', '43A8E7', 'C6B7DA', '6B4C93', 'B79174', 'A17500', '8C564B', '32490E', '6A5541',  '87C7F0'])
+axes.prop_cycle: cycler('color', ['1982C4', '6B4C93', 'C6B7DA', 'B79174', 'A17500', '8C564B', '32490E', '6A5541',  '87C7F0', '43A8E7'])
                   # color cycle for plot lines as list of string color specs:
                   # single letter, long name, or web-style hex
                   # As opposed to all other parameters in this file, the color
diff --git a/piel/visual/plot/basic.py b/piel/visual/plot/basic.py
index 290f1717..b136bc92 100644
--- a/piel/visual/plot/basic.py
+++ b/piel/visual/plot/basic.py
@@ -1,6 +1,7 @@
 import numpy as np
 import pandas as pd
 from typing import List, Optional, Any
+from .position import create_axes_per_figure
 
 __all__ = [
     "plot_simple",
@@ -15,9 +16,12 @@ def plot_simple(
     ylabel: Optional[str] = None,
     xlabel: Optional[str] = None,
     fig: Optional[Any] = None,
-    ax: Optional[Any] = None,
+    axs: Optional[list[Any]] = None,
     title: Optional[str] = None,
+    plot_args: list = None,
     plot_kwargs: dict = None,
+    *args,
+    **kwargs,
 ) -> tuple:
     """
     Plot a simple line graph. This function abstracts the basic files representation while
@@ -30,7 +34,7 @@ def plot_simple(
         ylabel (Optional[str], optional): Y axis label. Defaults to None.
         xlabel (Optional[str], optional): X axis label. Defaults to None.
         fig (Optional[plt.Figure], optional): Matplotlib figure. Defaults to None.
-        ax (Optional[plt.Axes], optional): Matplotlib axes. Defaults to None.
+        axs (Optional[list[plt.Axes]], optional): Matplotlib axes. Defaults to None.
         title (Optional[str], optional): Title of the plot. Defaults to None.
         *args: Additional arguments passed to plt.plot().
         **kwargs: Additional keyword arguments passed to plt.plot().
@@ -38,15 +42,18 @@ def plot_simple(
     Returns:
         Tuple[plt.Figure, plt.Axes]: The figure and axes of the plot.
     """
-    import matplotlib.pyplot as plt
 
-    if fig is None and ax is None:
-        fig, ax = plt.subplots()
+    if fig is None and axs is None:
+        fig, axs = create_axes_per_figure(rows=1, columns=1)
 
     if plot_kwargs is None:
         plot_kwargs = dict()
 
-    ax.plot(x_data, y_data, label=label, **plot_kwargs)
+    if plot_args is None:
+        plot_args = list()
+
+    ax = axs[0]
+    ax.plot(x_data, y_data, label=label, *plot_args, **plot_kwargs)
 
     if ylabel is not None:
         ax.set_ylabel(ylabel)
@@ -67,7 +74,7 @@ def plot_simple(
 
     fig.tight_layout()
 
-    return fig, ax
+    return fig, axs
 
 
 def plot_simple_multi_row(
diff --git a/pyproject.toml b/pyproject.toml
index 82ef9162..9274b1a8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -129,7 +129,7 @@ exclude = "docs"
 [tools.pytest.ini_options]
 addopts = "-rav"
 minversion = "6.0"
-testpaths = ["tests"]
+testpaths = ["tests/"]
 
 
 [tool.ruff.lint.per-file-ignores]