PHP has some pretty interesting features once you start getting into it, not least of which is the ability to generate images, either to save as a file or to display on the fly (interesting applications do present themselves, for example the ability to actually generate dynamic style sheets and matching images at the same time)! As a quick example of this, I've created a range of images. They're all free to use, and very simply are 10px by 10px curved images. I've used them myself for the corners of the menu boxes on this site. They are all PNG files, and about 111 bytes each. Each has it's HEX and DEC colour listed beside it to make them nice and easy to identify. Since there are over 4000 of them, though, I've put together a couple of small navigation tools for you (there are 4000 spread over the listing pages, but you can create any of up to 16 million colours using the colour inputs at the top of the form).

You can enter a HEX colour directly (e.g. FF0000)

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You can enter a decimal colour directly (e.g. 255, 0, 0)

(Red) (Green) (Blue)

Or you can select a range of colours from the options below

Amount of red: Low   Medium   High Amount of green: Low   Medium   High Amount of blue: Low   Medium   High

And now you have selected your options, click Submit to continue