Gridlines

• Y axis gridlines (and zero line if needed)
• X axis ticks only

Gridlines should follow the standard gridline format

Labelling

Axis titles

Only use axis titles if it is not clear from the title and subtitle what the axis represents.

Data

Data lines

3px weight, solid

Square line ends

CSS:stroke-linecap="square"

Line colour

If one series:

Night blue: #003C57

Uncertainty band

If one series:

Ocean blue #206096 65% opacity (0.65)