The hexadecimal color code #172a8a is a medium dark shade of blue. In the RGB color model #172a8a is comprised of 9.02% red, 16.47% green and 54.12% blue. In the HSL color space #172a8a has a hue of 230° (degrees), 71% saturation and 32% lightness. This color has an approximate wavelength of 467.08 nm.
There is no must in art because art is free.
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Don't be an art critic, but paint, there lies salvation.
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Art is a collaboration between God and the artist, and the less the artist does the better.
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