matplotlib.axes.Axes.tick_params

Axes.tick_params(axis='both', **kwargs)

Change the appearance of ticks, tick labels, and gridlines.

Tick properties that are not explicitly set using the keyword arguments remain unchanged unless reset is True.

Parameters:
axis{'x', 'y', 'both'}, default: 'both'

The axis to which the parameters are applied.

which{'major', 'minor', 'both'}, default: 'major'

The group of ticks to which the parameters are applied.

resetbool, default: False

Whether to reset the ticks to defaults before updating them.

Other Parameters:
direction{'in', 'out', 'inout'}

Puts ticks inside the axes, outside the axes, or both.

lengthfloat

Tick length in points.

widthfloat

Tick width in points.

colorcolor

Tick color.

padfloat

Distance in points between tick and label.

labelsizefloat or str

Tick label font size in points or as a string (e.g., 'large').

labelcolorcolor

Tick label color.

colorscolor

Tick color and label color.

zorderfloat

Tick and label zorder.

bottom, top, left, rightbool

Whether to draw the respective ticks.

labelbottom, labeltop, labelleft, labelrightbool

Whether to draw the respective tick labels.

labelrotationfloat

Tick label rotation

grid_colorcolor

Gridline color.

grid_alphafloat

Transparency of gridlines: 0 (transparent) to 1 (opaque).

grid_linewidthfloat

Width of gridlines in points.

grid_linestylestr

Any valid Line2D line style spec.

Examples

ax.tick_params(direction='out', length=6, width=2, colors='r',
               grid_color='r', grid_alpha=0.5)

This will make all major ticks be red, pointing out of the box, and with dimensions 6 points by 2 points. Tick labels will also be red. Gridlines will be red and translucent.