The HTML <img> tag is used to embed an image on a webpage. Images are more so linked to webpages. The image tag is empty, and it only contains the attributes with no closing tag.
CSS colors are defined using predefined color names, RGB, HEX, HSL, REGBA, or HSLA values. CSS colors can be used to set the background color for html elements. It can also be used to set the color of the text or the border of the text.
CSS background properties are used to add background effects for elements on a webpage. The opacity property is used to specify the opacity of an element. The lower the value, the more transparent it is. The transparency can also be changed using the RGBA color values.