Due and Uncolored

Due adjective - Having reached the date at which payment is required.

Uncolored and due are semantically related In some cases you can use "Uncolored" instead an adjective "Due".

Uncolored adjective - Lacking an addition of color.

Due and uncolored are semantically related in fair topic. Sometimes you can use "Due" instead an adjective "Uncolored", if it concerns topics such as impartial.