Use stickers to visually identify elements in a dataset that are part of the same group. Stickers can be any color.
Use the 24px size sticker in smaller context when you only require visual identification for the element and don't need the user to interact with it.
Use the 32px size sticker in image cards, so you can see more parts of the image.
Use the 40px size sticker to identify the user in a comment in the comments portlet in sites. This size is only rounded.
Use the 48px size sticker to identify the user in a blog entry or article in sites. This size is only rounded.
Stickers can be any color. The default color for stickers is #6B6C7E, which corresponds to Main Lighten 28% desat 5%.
Use a square sticker to identify files and folders. You can place up to three characters or an icon inside it. Always use uppercase letters.
Only use the circle sticker to identify people. You can places up to two characters or an image inside it. Always use uppercase letters.
You can place a sticker in an Image Card. Its position is always bottom left, as shown in the example below: