![]() ![]() Set the position property of the marker to absolute.Īfter doing this, make use of CSS top property and CSS left property to set the position of the marker dynamically.Set the position property of the canvas to relative.To do that we have to make use of CSS Position Property which will help us changing position of the cursor dynamically. Next thing is setting the position of the marker at current mouse position. The first thing we need is the X,Y coordinates of the mouse cursor. To do that need a little CSS along with JavaScript. Step 3: In this step we will make the marker which will move along with the mouse cursor on the color canvas to choose our desired color from it. Don't panic I will walk you through the next steps also, which are very similar to what we have done so far. Therefore I am stopping the coding part here. Now if you click anywhere on the color canvas, it will set that color to the body of the document.īelow is the image how it looks and I think we are very close to make our own color picker.Īs this post has already become very long. Now add the below code in your JavaScript file:Įnter fullscreen mode Exit fullscreen mode Here, I will use 300px width and 300px height. Step1: Create a canvas of any dimensions you want. That's cool but how to create it? That what we will do next. ![]() Means color canvas = vertical gradient of white to black + horizontal gradient of the selected color The color canvas is basically a mixture of black, white and the selected color's gradients. There are comments along the way explaining most of the code please try and show or tell me how to fix my colorChange function so that the user can pick a custom color that they so want. Let's start creating the color canvas first. There is both the html and the javascript code here I dont know how to finish the colorPicker function in the javascript code. In the above image the left one is the color canvas and the right one is the color slider. is chosen on the color slider and the color canvas helps us finding some more variations of the chosen color. The main color like red, green, blue, etc. Ok, so without wasting time, let's get started.Īny HTML/CSS color picker has two main parts, first a color canvas and second a color slider. Have you ever wondered how developers make online HTML/CSS color picker? Don't worry, I will walk you through the basic guide which can help you a lot if you were looking for some nice tutorial on how to create the one. ![]()
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