This reminds my of my close friend's painting style. It's a nice simplistic design with a minimalist theme and a mix of warm and cool colors.
i like the way this vector illustration stays away from using lines, and instead uses different shades to make it.
How To Create a Colorful Vector Landscape Illustration | Blog.SpoonGraphics by Chris Spooner
Nautical Vector Illustration Set by Tairy Greene, via ShutterStock
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Vintage hand drawn masonic symbol: all seeing eye, the star, laurel wreath and serpents snakes. Grunge background. Vector illustration isolated. Magic alchemy objects linear style. Tattoo template. - stock vector
Colorful Hand Drawn Dividers, Arrows ~ Illustrations on Creative Market
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Romantic flesh art festival poster. Rock and Roll hand sign. Vector illustration isolated. Tattoo design, music, occult symbol for your use.