The hexadecimal color code #66ef00 is a shade of green. In the RGB color model #66ef00 is comprised of 40% red, 93.73% green and 0% blue. In the HSL color space #66ef00 has a hue of 94° (degrees), 100% saturation and 47% lightness. This color has an approximate wavelength of 554.07 nm.
Painting is easy when you don't know how, but very difficult when you do.
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As practice makes perfect, I cannot but make progress; each drawing one makes, each study one paints, is a step forward.
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Colour is my day-long obsession, joy and torment.
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