Color Color Color (American English), or colour (Commonwealth English), is the characteristic of human visual perception described through color "categories", with names such as red, orange, yellow, green, blue, or purple. This perception of color derives from the stimulation of cone cells in the human eye by electromagnetic radiation in the visible spectrum. Color categories and physical specifications of color are associated with objects through the wavelength of the light that is reflected from them. This reflection is governed by the object's physical properties such as light absorption, emission spectra, etc. By defining a color space, colors can be identified numerically
What Color is Your Parachute? targeted at online job hunting. Additionally, in March 2013, Ten Speed Press released an app titled "What Color Is Your Parachute? Job-Hunter’s Workbook Tablet Edition" for the iPad and Nook. What Color is Your Parachute? What Color is Your Parachute? by Richard Nelson Bolles is a book for job-seekers that has been in print since 1970 and has been revised every year since 1975, sometimes substantially. Bolles initially self-published the book (December 1, 1970), but it has been commercially published since November 1972 by Ten Speed Press in Berkeley, California. As of September 28, 2010, the book is available in