Prompt: Simple Vector Art of Design a silhouette logo for a T-shirt featuring an adventure motorcyclist on a BMW bike, muted colors,  detailed image, riding towards the viewer, Emphasize feelings of freedom, adventure, and motion, The motorcyclist should exhibit a confident posture, possibly leaning into the wind or with the front wheel slightly elevated, The design should be centered, suitable for the front of a T-shirt, style by Paul Rand, 2D flat, simple shapes, minimalistic, professional graphic, flat color, high contrast, Simple Vector Art
Negative prompt: ugly, deformed, noisy, blurry, low contrast, 3D, photo, realistic, nude,(deformed iris, deformed pupils, semi-realistic,  render, sketch, cartoon, drawing, anime:1.4), text, close up, cropped, out of frame, worst quality, low quality, jpeg artifacts, ugly, duplicate, morbid, mutilated, extra fingers, mutated hands, poorly drawn hands, poorly drawn face, mutation, deformed, blurry, dehydrated, bad anatomy, bad proportions, extra limbs, cloned face, disfigured, gross proportions, malformed limbs, missing arms, missing legs, extra arms, extra legs, fused fingers, too many fingers, long neck