Bold YouTube Thumbnail Design

I need a striking, bold-and-colorful thumbnail for an upcoming YouTube video. The final image should be 1280 × 720 px, under 2 MB, and designed to grab attention instantly in both dark and light modes... (Budget: ₹1500 - ₹12500 INR, Jobs: Canva, Figma, Graphic Design, Illustration, Illustrator, Logo Design, Photoshop, Typography)