The hexadecimal color code #00a9eb is a shade of cyan. In the RGB color model #00a9eb is comprised of 0% red, 66.27% green and 92.16% blue. In the HSL color space #00a9eb has a hue of 197° (degrees), 100% saturation and 46% lightness. This color has an approximate wavelength of 480.67 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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To practice any art, no matter how well or badly, is a way to make your soul grow. So do it.