Hex Calc


Ian Pitts

3rd Party (Free)

MIT License

EE Version Support

  • ExpressionEngine 2


If an item is crossed out, it might be untested, not applicable or incompatible. Contact the developer to be sure.


  • jQuery for the Control Panel

Add-On Type(s)



Accepts a hexadecimal color value and returns a lighter or darker shade.

Hexadecimal color calculation plugin for ExpressionEngine. This was created to enable entry-stored hex colors to generate in-page styles that override call-to-action button colors. The plugin is used to accept the user-entered color code and generate a lighter or darker variant for border colors and hover state colors.


  • source_color: specify a hexadecimal color. If you provide the #, the # will be returned with the new value. Default is 000000.
  • percent: percentage of lightening or darkening. Default is 50.
  • mode: specify either lighten or darken. ‘lighten’ is the default if no parameter is specified. Anything else is assumed darken.


This will lighten by 35%, outputting the # as well as new hex value

{exp:hex_calc color="#16A527" percent="35"}

This will darken by 35% and will not include the hash

{exp:hex_calc color="16A527" percent="35" mode="darken"}


Create a subfolder within your third_party directory named ‘hex_calc’ and place the pi.hex_calc.php file there. That’s it.

Hex Calc Links

This entry was created March 13, 2013, 1:39 pm.
This entry was last updated March 13, 2013, 4:37 pm.

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