Individual skill
illustration-two-colour-brush
Draws original design and coding scenes as hand-authored SVG cards (480x360) in a two-colour brush-marker style. Identifying traits: thick wobbly black marker lines with blobby ends, built as filled ribbons; one second ink, mint green, in flat blocks that slip 2-10 px off the line like a misregistered print; solid black hair, trousers and shoes with mint highlight dashes; and a crinkly squiggle camo on cream areas, all on warm cream paper. Characters are chunky, with profile heads, big noses, dot eyes, big hands and feet. It covers people coding, thinking, carrying and resting with laptops, mugs, chairs and rubber ducks. Use when someone asks for brush, marker, felt-tip, two-colour, duotone, riso-print, zine, mint-and-black or doodle illustrations, or for empty states, onboarding, 404 pages, blog headers, feature spots or marketing cards with a bold hand-made look.
agent-skills/illustration/illustration-two-colour-brush/SKILL.md
Source commit 5ea1661a0e05d82b054553daaa6baf6d0233c33c
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- Observed behavior
- Network or broad shell
- Last checked
- Nov 9, 2026
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- Repository stars (not skill ratings)
- 7,364
- Repository last updated
- Nov 8, 2026
- License
- MIT
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- engineering Derived category
- design Derived category
- marketing Derived category
- research Derived category
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Browse files
SKILL.mdcore · 18,372 bytesSKILL.mdcore · 18,372 bytesagents/openai.yamlasset · 294 bytesdemo/PROMPT.mddoc · 2,350 bytesdemo/index.htmlasset · 956,901 bytesdemo/preview.jpgasset · 141,821 bytesexamples/coffee-driven.svgasset · 287,276 bytesexamples/night-owl.svgasset · 368,554 bytesexamples/rubber-ducking.svgasset · 293,375 bytesreferences/craft.mddoc · 10,528 bytesscripts/brush.mjsruns · 24,737 bytesscripts/lint.mjsruns · 3,079 bytesscripts/render.mjsruns · 5,071 bytesstyle.jsonasset · 1,863 bytes
Read excerpt
# Illustration: Two-colour brush
Loose, confident marker drawings in two inks, black and mint, on cream paper. A chunky character does one readable thing, drawn with fat wobbly lines; mint sits in flat blocks that never quite line up with the black. It suits playful product moments that want energy and a human hand: empty states, onboarding, error pages, editorial headers.
Boundary: for a wobbly brush line with hatching and full colour, use `illustration-ink-sketch`. For a single continuous line with off-register colour, use `illustration-one-line`. For thin black line with halftone dot shading, use `illustration-halftone-line`. For flat colour with solid black shapes and no marker texture, use `illustration-flat-with-black`.
Extracted from a set of 42 original design-and-coding cards in 14 styles; the three cards in examples/ are this style's shipped cards.
## The look in one sentence
Every line is a fat, wobbling, blob-ended black marker ribbon, and the only other ink is flat mint green laid as a second plate that slips a few pixels off those lines, on cream paper.
If the lines go even-width or the mint registers exactly inside the outlines, it stops being this style.