Sepia Mono
Open in tool →A single warm brown from espresso to oat — the sepia scale as a working palette, not a filter.
Color
#64453argb(100, 69, 58)hsl(16, 27%, 31%)oklch(0.422 0.047 40.4)Teal, Copper and Crimson 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.
Teal sits directly opposite #64453a on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Designers have shipped Copper with #64453a: 5 real palettes, including Bramble and Bakery, as the supporting colour.
Crimson is paired with #64453a in 4 real palettes, including Dunkin''s brand system and Codecademy's brand system, as the accent.
Designers have shipped Denim with #64453a: 4 real palettes, including HP's brand system and Hinge's brand system, as the accent.
Hunter Green is paired with #64453a in 4 real palettes, including Darkroom and Bookshop, as the accent.
Orange Red is paired with #64453a in 4 real palettes, including Tumblr's brand system and Neon's brand system, as the accent.
Royal Blue is paired with #64453a in 5 real palettes, including Console Light and Subaru's brand system, as the lead colour.
Cream is the surface #64453a wants: a warm off-white that shares its undertone, so #64453a reads softer on it than on pure white.
| #64453a as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 8.56:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.45:1 | 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 #64453a as the background.
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
A single warm brown from espresso to oat — the sepia scale as a working palette, not a filter.
#64453a reads as warm, muted, editorial. 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 #64453a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/64453a-c4ab9c-62cbb4-2d291f-f1e9eb?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