The phrase "a background of orange" is correct and usable in written English.
It can be used to describe a visual element, such as in art, design, or photography, where orange serves as the backdrop or dominant color.
Example: "The painting features a background of orange that creates a warm and inviting atmosphere."
Alternatives: "an orange backdrop" or "a canvas of orange."
Nixon, who was running against the Democrat George McGovern, has been turned a sickly shade of blueish green, made worse by a background of lurid orange.
The white-spired churches and green-shuttered cottages scattered through Vermont's little villages look equally appealing against a background of blue summer skies, red and orange trees, or a winter blizzard.
The colors — dizzying red and flaming orange against a background of crystalline blue skies — are even more impressive than their size.
Mallory's stain proved the most informative for viewing the blood supply, as erythrocytes stain bright orange on a background of reds, blues and purples (Fig. 2C,D).
His "All Things Live in the Three" (1963) has three orange diamonds with green dots on a background of red with blue dots and with red patterns in the orange diamonds.
In another, Gaza Is Burning, soft orange balloons float against a background of firey explosions.
In a 1984 picture of a beautiful young Indian man, his features rendered in deftly brushed lines and his green jacket set off by a flat background of vibrant orange, there is a perfect balance of cool formality and warm intimacy.
In these robust paintings, rich backgrounds of orange or purple give Mr. Marden's road-map lines a robustness and tautness that hark back to his early monochrome works; the lines often seem to grow from painted edges that add further pressure to the compositions (Smith).
A little bit on the drink's background: The Rocky Balboa is a twist on Lola's version of the "Bear Fucker," which calls for a glass of orange wheat beer, orange juice and a shot of bourbon.
