Check out example codes for "color in html". It will help you in understanding the concepts better.

Code Example 1

<!DOCTYPE html>
<!-- Code inside there--><html>
    <head>
        <meta charset="utf-8">
        <title>Lists Page</title>
        <style>
            body {
                background-color: black;
                text-shadow: 0px 0px 10px blue;
                font-family: Trebuchet MS;
                font-size: 20px;
            }
            h1 {
                color: white;
            }
            p {
                color:rgb(255, 230, 8);
                text-shadow: 0px 1px 30px blue;

            }
            h2 {
                color:white;
                font-size: 30px;
            }
            ul {
                list-style-type: circle;
                color:rgb(255, 0, 98);
                text-shadow: 0px 0px 5px blue;
            }
            ol {
                color:rgb(250, 105, 259);
                line-height: 30px;
            }
            h4 {
                color: rgb(0, 255, 55);
            }
    </style>
      </html>

Code Example 2

<!-- Color in HTML by inline-css -->
<p style="color: red; background-color: blue;">
  This text is red and the background is blue
</p>

Code Example 3

#ffffff

Code Example 4

Use htmlcolorcodes.com for this

Code Example 5

paletton is what you want
It even gives you presets based on the colour rules
See below link

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