The hexadecimal color code #99aa00 / #9a0 is a medium dark shade of yellow-green. In the RGB color model #99aa00 is comprised of 60% red, 66.67% green and 0% blue. In the HSL color space #99aa00 has a hue of 66° (degrees), 100% saturation and 33% lightness. This color has an approximate wavelength of 567.55 nm.
If I could say it in words there would be no reason to paint.
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Painting is easy when you don't know how, but very difficult when you do.
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The job of the artist is always to deepen the mystery.
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