The relationship between RGB and long is based on a simple calculation: The long code is a number from 0 to 16,777,215, where each separate number represents a color. The following macro displays the long code for the fill of the active cell. The long color code is used by VBA when displaying the color property of an item. Instead, Excel measures all the numbers where 0 is the lowest and 255 is the biggest. 0% is black, 100% is white.įrustratingly, Excel does not handle HSL in the standard way. Luminance (or lightness) – is a percentage of grey.Saturation – is a percentage of the amount of color included.Hue – is the degree on the color wheel from 0 to 360.HSL tries to define colors closer to the way humans think about colors. HSL uses Hue, Saturation and Luminance to create the color. Within the standard color dialog box there is another code format using the color model drop-down we can change to HSL. The individual colors Red, Green and Blue each have 256 different shades, which when mixed can create 16,777,216 different color combinations. The RGB (Red, Green and Blue) color code is used within the standard color dialog box. User Defined Functions for color conversionĮven in Excel, there are four different methods of defining color RGB, hex, HSL and long.
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