The visual sense based on the electromagnetic spectrum is known as colour in American English or colour in Commonwealth English.The world we live in is not black and white.

It's beautiful and colourful, and it comes in a variety of different colours.

The human eye can distinguish at least 2000 different shades of different colours, as well as many different colour combinations.We use colours to communicate and express ourselves. The colours are get  attractive by the eyes because it shows Beautyness of their colours. They serve as a tool for communication and assist us in changing our welfare, surroundings, and so on.We reveal our spiritual and cultural orientation through the use of colours.

We can add colour to our world, making it more aesthetic and tailored to your specific needs and desires.

It is also beneficial to understand the colours so that we do not harm the environment in which we live. A colour space is a system for arranging colours in a structured and logical way. Several approaches can be taken, depending on the application and viewing circumstances. For instance, the transmissive colour technology utilised in computer screens and televisions, where coloured light is being sent directly to the eye, uses the RGB colour space, which stands for red, green, and blue. Also known as additive colour, this.

As in print on paper, where pigments and inks are utilised to absorb specific wavelengths, colour can also be conceived of as subtractive. Hence, after subtracting the other hues from full spectrum light, what we see is what is left over.There are primary colourcolours  The primary colours of subtractive colour spaces are cyan (C),black (k) and yellow (Y). The Rainbow has also colors.An optical phenomena called a rainbow can appear under specific atmospheric circumstances.

It results in an effect that resembles a spectrum of light appearing in the sky because to the reflection, refraction, and dispersion of light in water droplets.

It appears as a circular arc with several different colours.

Sunlight-induced rainbows are always visible in the part of the sky directly across from the Sun.

On the inside of the main arc, there was a double rainbow and numerous additional rainbows.

The centre of the rainbow circle is indicated at the bottom by the photographer's head shadow (antisolar point).

Whole circles can form in a rainbow.

However, the viewer typically only perceives an arc made of lighted droplets above the ground,[1] with the line from the Sun to the observer's eye as its centre.

"The best color in the whole world is the one that looks good on you."