Colors

Something is aqua if it is a bright blue-green. It might also be called cyan.

Black is the colour of the night sky or the deepest, darkest shadow. The swan in the picture is black.

Many animals are brown, and dirt is brown. The colour brown can be made by mixing a few other colours of paint together without thinking, you'll usually get brown this way! The horse in the picture is brown.

Charcoal is a soft black substance that is left after something is burnt. You can use charcoal to draw with, like in the picture. Charcoal is messy, and you have to be careful not to get black fingerprints on everything when you are working with it.
Charcoal is also used as the name for a color that is very dark grey, almost black.

Color, also spelt colour, is something that makes things look different from each other. There are lots of different colors - you can see the primary colors in the rainbow.

Crimson is a deep red at the purple end of the red spectrum. People usually just use crimson as another word for red.

Gold is a heavy, soft, yellow metal that is easy to work with. It is the softest metal, and is very dense, much denser than lead.
Gold is very stable and is used to coat other more reactive metals to protect them, but its primary use is in jewelery. Pure gold is too soft to make jewelery out of, and is usually mixed with silver, copper and other metals.

Green is the colour of the leaves on most plants. The colour green can be made by mixing blue and yellow paint. The frog in the picture is green.

Hue means a color's main type, like red, blue, or green.

Hue is often used to describe colors in art and design, like when mixing paint or choosing colors for a picture. You can see hue in color wheels and in tools that edit photos or make digital drawings, where it helps you change one color to another.

Something is khaki if it is a dull greenish brown. It is frequently used as a color for uniforms, particularly in the military.