Logo design is a most important area of graphic design, thus the most difficult to perfect. The logo (ideogram), is the image embodying an organization. Because logos are meant to represent companies' brands or corporate identities and foster their immediate customer recognition, it is counterproductive to frequently redesign logos.
A fictitious logotype: Narrow colour range and recognizable design.When designing (or commissioning) a logo, practices to encourage are to
avoid being excess in attempting uniqueness.
use few colors, limited colors, spot colors.
Colour is important to the brand recognition.
avoid gradients (smooth color transitions) as a distinguishing feature.
produce alternatives for different contexts.
design using vector graphics, so the logo can be resized without loss of fidelity.
be aware of design or trademark infringements.
include guidelines on the position on a page and white space around the logo for.
consistent application across a variety of media (a.k.a. brand standard manual)
not use a specific choice clip-art as a distinguishing feature
not use the face of a (living) person
not use photography or complex imagery as it reduces the instant recognition a logo demands
avoid culturally sensitive imagery, such as religious icons or national flags, unless the brand is committed to being associated with any and all connotations such imagery may evoke.