How to convert colors in RGB format to Hex format and vice versa?  For example, convert '#0080C0' to (0, 128, 192)....

Given this function, I want to replace the color with a random color generator.  document.overlay = GPolyline.fromEncoded({     color: "#0000FF",     weight: 10,     points: encoded_points,     zoomFactor: 32,     levels: encoded_levels,...

How do you extract the hue component of a color given as '#rrggbb'?...

I'm trying to create a color opposite of current color. I mean if current color is black, then I need to generate white.  Actually I have a text (the color of this text is dynamic, its color can be made at random). That text is into a div and I n...

I have a select box. The options have been styled with different colors via a CSS file that has been referenced. I want to be able to select an option and change the text color of the closed select box to the color of the chosen option.  <select i...

I want to change the color of a title when a button is clicked.  This is my code, but it's not working and I can't figure out why not...  <div id="about">About Snakelane</div>  <input type="image" src="http:...

I'm trying to evaluate the darkness of a color chosen by a color picker to see if it's "too black", and if so, set it to white. I thought I could use the first characters of the hex value to pull this off. It's working, but it'...

I have a fixed width div with gradient applied using css. I want to build slider based color picker based on this gradient.  When i drag the slider i calculate the percentage position, and i want to get the hex or rgb color code based on this value....

I need to get the color of any pixel my mousepointer is currently hovering.  I found several solutions for canvas elements, but none for a background image defined in CSS for a  element.  How can I achieve this?...

Is it possible to calculate a color in a middle of a gradient?  var color1 = 'FF0000'; var color2 = '00FF00';  // 50% between the two colors, should return '808000' var middle = gradient(color1, color2, 0.5);    I only have tw...