watercolor pastel color seamless pattern with smears and lines on white background. neutral colour palette.

abstract art backdrop background bright brush color colorful colour concept cute design drawing drawn element graphic hand illustration isolated line lines modern neutral ochre orange paint painted palette paper pastel pattern pink rainbow red retro romantic seamless smear smears spring stripe striped stripes stroke strokes summer surface swatch textile texture vertical vintage wallpaper warm watercolor white yellow swatches mustard tangerine rust grey soft colours