The hexadecimal color code #0019d7 is a shade of blue. In the RGB color model #0019d7 is comprised of 0% red, 9.8% green and 84.31% blue. In the HSL color space #0019d7 has a hue of 233° (degrees), 100% saturation and 42% lightness. This color has an approximate wavelength of 465.09 nm.
It is a widely accepted notion among painters that it does not matter what one paints as long as it is well painted. This is the essence of academicism. There is no such thing as good painting about nothing.
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Whether you succeed or not is irrelevant, there is no such thing. Making your unknown known is the important thing.