COLORS1在显示区域的左半部显示三种滚动条，并分别标以「Red」、「 Green」和「Blue」。当您挪动滚动条时，显示区域的右半部将变为三种原色混合而成的合成色，三种原色的数值显示在三个滚动条的下面。

-COLORS1 displays three scroll bars in the left half of the client area labeled "Red," "Green," and "Blue." As you scroll the scroll bars, the right half of the client area changes to the composite color indicated by the mix of the three primary colors. The numeric values of the three primary colors are displayed under the three scroll bars.