Increasing the Color3 Value in an image?

My image is set to 0,0,0 as the RGB color I want it to increase by 0.01 every .5 seconds, how would I go about doing that??

while script.Parent.PDLOGO.ImageTransparency == 0 do
    wait(.5)
    script.Parent.PDLOGO.ImageColor3 = Color3.fromRGB(0.01/255,0.01/255,0.01/255)

end