Cololurs

Science of Colours

Colour is your perception of light as it reflects off objects and enters your eye.

By Khan Academy

The colours are objects which makes any element brighter, it is used in various fields, in printing, in web, and others. Main Colours used are;

  • RGB – Red, Green, Blue – If we mix all the three colours we get White colour.
  • CMYK – Cyan, Magenta, Yellow, Black – If we mix all the four colours we get Black colour.
  • HSB – Hue, Saturation, Brightness
  • HSL – Hue, Saturation, Lightness
  • LAB – Luminance (or lightness), A ranges from green to red, and B ranges from blue to yellow shades.

Colour Mixing

To print a job, the colours are mixed digitally using a process called plate making. Some sites given below has online mixing options.

Cyan + Magenta = Blue
Cyan + Yellow = Green
Magenta + Yellow = Red + Black = Brown
Magenta + Yellow + Cyan = Maroon

We get dark shades by adding little percentage of Black to any colour

Pantone Colours

Pantone colours cannot be printed normally. We should purchase and print it separately.

You can find the pantone shades in;

https://www.pantone-colours.com/

Explanation of Colours

Many websites explain colours and their names and how to maintain it as shown below:

https://en.wikipedia.org/wiki/Lists_of_colors

https://graf1x.com/

Many websites explain how to mix colours and their features as shown below

http://colorizer.org/

We can analyse a colour and study their models as shown in link below.

https://www.labcognition.com/onlinehelp/en/colormetric_analysis_manual.htm

To design a website, we use hex colours (#). You can get their values from below mentioned using below link.

https://www.rapidtables.com/web/color/index.html

https://www.color-hex.com/

https://en.wikipedia.org/wiki/Web_colors

Some webpages use Index colour. The below link explains it in detail which you can get in the below link.

https://en.wikipedia.org/wiki/Indexed_color