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Is there a way to get the html color code from a JColorChooser

My java Applet takes three colors from the user and averages them and displays the color

I want to get the html color code after they look at the average color

how can I do that

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2 Answers 2

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7

Write a method to convert a Color to a String.

An HTML color code is just the R, G, and B values converted to hex and displayed as a string with a pound sign in front. This is a fairly simple method to write.

 public static String toHexString(Color c) { StringBuilder sb = new StringBuilder("#"); if (c.getRed() < 16) sb.append('0'); sb.append(Integer.toHexString(c.getRed())); if (c.getGreen() < 16) sb.append('0'); sb.append(Integer.toHexString(c.getGreen())); if (c.getBlue() < 16) sb.append('0'); sb.append(Integer.toHexString(c.getBlue())); return sb.toString(); }
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3 Comments

new StringBuilder('#') ==> new StringBuilder("#")
@user249654 I didn't realize there wasn't a character constructor! I guess my code was just autoboxing it to a String. Thanks for the catch!
@ErickRobertson +1 you can also use Color.getRGB() as described here.
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A slightly shorter version that relies on Color.getRGB() : 

public String color2HexString(Color color) { return "#" + Integer.toHexString(color.getRGB() & 0x00ffffff); }

See Hex triplet for more information about Web colors.

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