Colorful Rainbow Frame

A striking border crafted from a sequence of pointed triangular shapes, showcasing a full spectrum of colors like a beautiful rainbow. The hues smoothly transition from bright yellow and green on the left, across warm oranges and reds along the top and right side, down into cool blues and purples. This colorful frame elegantly encloses a plain black background, offering a creative space for your content.

rainbow - frame - colorful - triangles - gradient - border - design