He zoomed in to 1600%. And instead of a phoenix, he drew a road.
Use colors that pop against each other. Dark backgrounds with bright symbols (gold on black, white on crimson) work best. Guild Emblem Silkroad 16x16
Example motif (abstract description)
: Always double-check your magenta (255, 0, 255) background. Any pixel that isn't the exact color code will appear as a bright pink dot in-game. He zoomed in to 1600%
: Move your guildmark.bmp or unionmark.bmp into the root folder of your Silkroad installation (where the Launcher.exe is located). Guild Emblem Silkroad 16x16