Colour – Primary and Secondary Colours | Rainbow Colours and Natural Colours
COLOUR – PRIMARY AND SECONDARY COLOURS | RAINBOW COLOURS AND NATURAL COLOURS
COLOUR
Colour is what we see when light falls on an object. Different objects reflect different colours.
Example – A red apple looks red because it reflects red light.
RAINBOW COLOURS
A rainbow is formed when sunlight passes through raindrops and is split into different colours.
The 7 colours of the rainbow (in order) are:
1. Red
2. Orange
3. Yellow
4. Green
5. Blue
6. Indigo
7. Violet
Mnemonic to remember – Rich Old Young Girls Buy Ice Very often (ROYGBIV)
PRIMARY AND SECONDARY COLOURS
PRIMARY COLOURS
Primary colours are colours that cannot be made by mixing other colours.
1. Red
2. Blue
3. Yellow
These are the building blocks for all other colours.
SECONDARY COLOURS
Secondary colours are made by mixing two primary colours:
Red + Blue = Purple (Violet)
Red + Yellow = Orange
Blue + Yellow = Green
Summary – Colour is what we see when light falls on an object. The rainbow has seven colours: red, orange, yellow, green, blue, indigo, violet. Primary colours are red, blue, yellow, and secondary colours are orange, green, purple.
NATURAL COLOURS
Natural colours are the colours we get from nature. They come from plants, animals, minerals, and soil.
Examples:
1. Green – from leaves and grass
2. Brown – from soil or tree bark
3. Yellow – from flowers like sunflowers
4. Red – from clay or certain fruits
CHARACTERISTICS OF NATURAL COLOURS
Natural colours have some special characteristics:
1. Non-toxic – It is safe to use for food, clothes, or art
2. Environmentally friendly – It do not pollute the environment
3. Fade with time – They may lose their brightness when exposed to sunlight
4. Easily available – It can be obtained from plants, soil, fruits, and flowers
5. Unique shades – They often have soft, earthy tones rather than very bright artificial colours
Summary – Natural colours are colours obtained from nature, such as green from leaves and brown from soil. They are safe, environmentally friendly, and fade with time.