AlignmentGeometry focal: The focal point of the gradient.TileMode tileMode: How this gradient should tile the plane beyond the outer ring.List stops: Specifies the fraction for each color from begin (0.0) to end (1.0).double radius: The radius of the circle.Alignment center: The center of the gradient.List colors: The colors that compose the gradient.gradient: RadialGradient(īelow are the available properties you can pass in the constructor. You can use focal property ( AlignmentGeometry) to set the focal point of the gradient. In contrast, if you need the edge to be mirrored from last color to first, use TileMode.mirror gradient: RadialGradient( With TileMode.repetaed, edge is repeated from first color to last. The output can be seen in the first example of this tutorial. The default one if you don't specify the property is TileMode.clamp. TileMode property can be used to set how the gradient should tile the plane beyond the outer ring. However, the area outisde the circle is still occupied by the second color. If both values are set to 1, the circle area will be occupied entirely by the first fraction only. If both values are set to 0, there will be no place for the first and second fragments. Look at the below example to see the result of using stops. No need to set where the last fraction stops as it's supposed to stop at 1. The first passed value is used to set where the first fraction (the first color only) stops, while the second value is used to set where the second fraction stops. The center of a radial gradient doesn’t have to be in the center! For example, you can position the center in the top left like this. Some of them do help a little with positioning (see “Expert” settings), but don’t expose all the possibilities. This is a beautiful gradient tool, but doesn’t help with positioning or sizing. They help you pick colors and color stops and stuff, but they usually punt on the positioning stuff. This is one of the shortcomings, I find, with gradient generators. Positionedīesides controlling the size and shape of the gradient, the other big trick to know with radial gradients is that you can position the center of them. See the Pen Lit text by Chris Coyier ( on CodePen. See the Pen Usage of Radial Gradients by Chris Coyier ( on CodePen. ![]() See the Pen Radial Gradient – Sizing by Chris Coyier ( on CodePen. Using color stops like radial-gradient(#56ab2f, #a8e063 150px).Explicitly saying like radial-gradient(circle 100px.Using a keyword closest-side, farthest-side, closest-corner, farthest-corner.You can also control the size by literally saying how large the circle/ellipse should be (the final color will still stretch to cover the element) by: If you don’t like that, you can force the shape into a circle, like the second example here demonstrates: ![]() That will stretch the gradient into an ellipse on a non-square element though. See the Pen Radial Gradient – Centered by Chris Coyier ( on CodePen. ![]() The simplest possible syntax places the first color in the center of the element and the second color on the outside and that’s that: I figured I’d put together a page of reference examples, so if you know what you need but forget the syntax, it’s easy to find that starter code example here. But it’s also not that easy to remember if you don’t use it often, and it’s more complicated than linear-gradient(). It’s certainly easier than needing to create a graphic in third-party software to use as the background, and the syntax is highly learnable. It’s amazing we can paint the background of an element with them so easily.
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