Q&A 

Is a Wikipedia a primary source or secondary?

Michael Wilson

Is a Wikipedia a primary source or secondary?

Wikipedia, as an encyclopedia, is a tertiary source. However, Wikipedia and sources that mirror or source information from Wikipedia may not be used as secondary or tertiary sources. Wikipedia articles are sometimes used as primary sources in articles about Wikipedia.

Is a Wikipedia article a primary source?

Wikipedia’s main namespace is an encyclopedia and thus a tertiary source. Unsourced eyewitness accounts or other unsourced information obtained from personal experience should not be added to articles, as this would cause Wikipedia to become a primary source for the added information (see Wikipedia:Verifiability).

What are the primary secondary and tertiary Colours?

Color Basics

  • Three Primary Colors (Ps): Red, Yellow, Blue.
  • Three Secondary Colors (S’): Orange, Green, Violet.
  • Six Tertiary Colors (Ts): Red-Orange, Yellow-Orange, Yellow-Green, Blue-Green, Blue-Violet, Red-Violet, which are formed by mixing a primary with a secondary.

What are the primary pigment colors?

Red, green, and blue are known as the primary colors of light. The combinations of two of the three primary colors of light produce the secondary colors of light. The secondary colors of light are cyan, magenta, and yellow. In printing, the abbreviation for cyan is C, magenta is M, and yellow is Y.

Is black a primary color?

The color of pigments and inks are subtractive. Subtractive colors are made of light that’s already passed through material. Painters can combine several colors to make what looks like black paint. Printing also uses subtractive colors; cyan (C), magenta (M), yellow (Y), and key or black (K) are the primary inks used.

What is meant by RGB?

RGB means Red Green Blue, ie the primary colors in additive color synthesis. A RGB file consists in composite layers of Red, Gree and Blue, each being coded on 256 levels from 0 to 255.

What does RGB mean in HTML?

red, green, blue

Which is better RGB or CMYK?

As a quick reference, the RGB color mode is best for digital work, while CMYK is used for print products. But to fully optimize your design, you need to understand the mechanisms behind each.