Macaron
Open in tool →Rose, sky and pistachio at patisserie strength — the pastel trio, with a plum-grey text colour so it never washes out.
Color
#3f2f41rgb(63, 47, 65)hsl(293, 16%, 22%)oklch(0.331 0.038 322.7)Dark Olive Green, Sea Green and Sienna lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Dark Olive Green is a split-complement of #3f2f41: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Sea Green sits directly opposite #3f2f41 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Sienna completes a triad with #3f2f41 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Teal is a split-complement of #3f2f41: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber is paired with #3f2f41 in 8 real palettes, including McDonald's's brand system and Beach Hut, as the lead colour.
14 real palettes, including Dunkin''s brand system and Minecraft's brand system put Blue beside #3f2f41, as the supporting colour.
5 real palettes, including Blush and Garden Wedding put Blush Pink beside #3f2f41, as the supporting colour.
White Smoke is the surface for #3f2f41: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
| #3f2f41 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 12.39:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.69:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f2f41 as the background.
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
#3f2f41 reads as cool, muted, dark. The font library is tagged with the same vocabulary:
Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #3f2f41 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/3f2f41-c19fc1-a1cb62-2d1f29-ece9f1?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md