Working with the Color Picker
4 min
opening the color picker docid\ aedxoa3zhlpskgqbzwhxlspecifying a color with the sliders docid\ aedxoa3zhlpskgqbzwhxlspecifying a color with entered values docid\ aedxoa3zhlpskgqbzwhxlspecifying transparency / opacity docid\ aedxoa3zhlpskgqbzwhxl opening the color picker to open the color picker, click the eyedropper icon clicking the eyedropper icon color picker specifying a color with the sliders follow this procedure when you do not know the rgb or hsv values for a color to specify a color, do the following move the slide on the hue scale to find a color do one of the following move the selector over the color field until you achieve the tint and shade you want move the slide on the saturation scale to achieve the tint you want and the slide on the brightness (v) scale to achieve the shade you want click ok to save the new color and apply it to the component specifying a color with entered values follow this procedure when you know the rgb or hsv values for a color to specify a color, do one of the following enter the red, green, and blue values and then click ok enter the hue, saturation, and brightness (v) values and then click ok note that you cannot enter hexadecimal values into the color picker to enter hexadecimal values, do so in the left panel of the style editor see specifying transparency / opacity the color picker includes an alpha channel, which enables you to blend two colors the word transparency is traditionally associated with the function of the alpha channel but in , it might be easier to use the word opacity, since the numbers on the alpha scale correspond to percentage of opacity the default alpha (a) value is 100, which means the color you are working with appears in the user interface at 100 percent opacity for example, say you set the text on the panel header to white with 100 percent opacity and the background to light blue in the style editor , the text appears in white on a light blue background see 100% opacity in the example below if you were to open the color picker and change the alpha (a) of the text color to 50, the text appears as shown under 50% opacity in the example below if you were to set the alpha (a) of the text color to zero, the text is invisible, as shown under 0% opacity in the example below opacity example for an informative discussion of colors and transparency, see http //www w3schools com/colors/default asp http //www w3schools com/colors/default asp
