For once in this world of blue I've found a color thats bright and new With warming quality and a crystalline gleam I've been shamed by the people and shunned by the queen I've found myself a new color of which i call black For once in this world of blue I found something new I found darkness In this world of blue
I really like it, you've got your meters right and consistent, it's well structured building to the longest line in the middle with a faster pace as the poem draws to the end. The only thing I think can be done to improve it is maybe you could use enjambment on the penultimate line?