`color`: Look up a color by its value.

    An Embed will be sent with the color value in hex and decimal, the name of
    the color (if it has one), and having the color itself be the color of the
    Embed.

    **Usage:**
        in hex: `color 0xRRGGBB` or `#RRGGBB` or `#RGB` or `RRGGBB`
        in decimal: `color red green blue`