Margarine has a grayish color and needs to be dyed to give it the color of butter.

人造奶油本身有一种灰颜色，需要染色来给它黄油的颜色。

youdao

The butter is the fat which in the milk refines, the color and the taste similar edible butter.

酥油是牛奶中提炼出来的脂肪，色与味类似食用黄油。

youdao

Color, fragrance, sensory and natural butter, applicable to all kinds of approximate pastry breads, cakes, cookies, candy, midpoint, frost, cold drink, cream etc.

色泽、香味、感官均与天然黄油近似，适用于各式面包、蛋糕、西点、中点、曲奇、糖果、冷饮、霜饰奶油等制作。

youdao

The cookie to emerge from my auditions this year is a tri-color butter cookie: a layer of red, green and white dough rolled and sliced into a gorgeous swirl.

NPR: Pursuit of the Perfect Christmas Cookie

As McNally readies for opening night, he considers everything from the color of the grout to the best way to serve butter ensuring, each step of the way, that his near-perfect success rate will translate on his home turf.

WSJ: Keith McNally | Tracked