Henna and Light brown

Henna noun - A reddish brown dye used especially on hair.

Light brown and henna are semantically related. In some cases you can use "Light brown" instead an adjective "Henna".

Light brown noun - A brown that is light but unsaturated.

Henna and light brown are semantically related. Sometimes you can use "Henna" instead an adjective phrase "Light brown".