For colored emoji support, check this plugin.
Tip. Options -> Messages -> Pixel spacing makes lines bigger, emoticons will also resize to be bigger.
Enable or disable emoticons.
Enabling emoticons only works on new messages after emoticons is enabled.
All icons will be resized/scaled to fit inside the text line height, aspect ratio will be preserved.
Enable or disable animated gifs support.
When the support is disabled, all gifs will stop animating and show the first frame as a static image.
If enabled, text and TEXT will both be replaced with the same icon, otherwise they could have different icons.
If enabled, emoticons inside links and words will not be replaced.
If enabled, emoticons will be stretched to match the real line height when Pixel Spacing is used.
If enabled, allows using a custom Regular Expression to match the emoticons trigger.
The Regular Expression to use when Use regex to match a pattern is enabled.
<emote> in the regex will be replaced with the pattern (trigger|trigger|trigger).
Use /setoption Emoticons Emoticon_<matchtext> <filename>.
\ and = characters must be escaped with a \ character.
Channels or users windows excluded from showing emoticons.
Per server settings can be added using network:#channel syntax.
Always show emoticons for some channels/users windows.
Per server settings can be added using network:#channel syntax.
These windows ignores/overrides the "Use Emoticons" option.
There is a Emoticons flag when adding a ignore in Options -> Ignore.