The hexadecimal color code #9900ff / #90f is a shade of blue-magenta. In the RGB color model #9900ff is comprised of 60% red, 0% green and 100% blue. In the HSL color space #9900ff has a hue of 276° (degrees), 100% saturation and 50% lightness. This color has an approximate wavelength of 565.77 nm.
Don't be an art critic, but paint, there lies salvation.
<p style="color: #90f">…</p>
If I could say it in words there would be no reason to paint.
<p style="background-color: #90f">…</p>
As practice makes perfect, I cannot but make progress; each drawing one makes, each study one paints, is a step forward.
<p style="text-shadow: 0.1em 0.1em 0.15em #90f">…</p>