If I have the original color and a darkened color, how do I determine what percentage was used to darken it by in Sass?
For darken (and probably lighten too), you would want to calculate the difference between the lightness values of both colors: @function color-difference($c1, $c2) { $c1: lightness($c1); $c2: lightness($c2); @return max($c1, $c2) - min($c1, $c2); } $color1: #e8e8e8; $color2: #c1c1c1; .foo { // guessed the percentage manually test: darken($color1, 15.25%); //...
How to darken an image on mouseover and show buttons?
Here is your solution. Just move the input buttons outside div.overlay that you're darkening. You only need to change your HTML so: <div class="show-image"> <div class="image"> <div class="overlay"> </div> <input class="update" type="button" value="Update" /> <input class="delete" type="button" value="Delete" /> </div> </div> Unlike @philnash's solution, doesn't need z-index, as the input...
JavaFX Transition - Darken button on hover
button,javafx,hover,transitions,darken
You could use a ColorAdjust effect and change it's brightness property using a Timeline. public class ButtonFadeDemo extends Application { @Override public void start(Stage primaryStage) { try { Pane root = new Pane(); Button button = new Button("Click me!"); ColorAdjust colorAdjust = new ColorAdjust(); colorAdjust.setBrightness(0.0); button.setEffect(colorAdjust); button.setOnMouseEntered(e -> { Timeline...