The hexadecimal color code #150b31 is a very dark shade of blue-magenta. In the RGB color model #150b31 is comprised of 8.24% red, 4.31% green and 19.22% blue. In the HSL color space #150b31 has a hue of 256° (degrees), 63% saturation and 12% lightness. This color has an approximate wavelength of 450.9 nm.
There is no must in art because art is free.
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It is not the language of painters but the language of nature which one should listen to, the feeling for the things themselves, for reality, is more important than the feeling for pictures.
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The aim of art is to represent not the outward appearance of things, but their inward significance.
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