This is the 5762nd most frequent French word.
clair
"Clair" means "clear" or "bright" in English.
Here, 'clair' is used as an adjective to describe the state of the sky, meaning it is clear or cloudless.
Le ciel est clair après la pluie.
The sky is clear after the rain.
In this instance, 'clair' is used figuratively to express that something is evident or obvious.
Il est clair que tu comprends ce sujet.
It is clear that you understand this subject.
Here, 'clair' describes the brightness or lightness of a color, emphasizing a lighter shade.