Sepia Mono
Open in tool →A single warm brown from espresso to oat — the sepia scale as a working palette, not a filter.
Color
#604d39
#604d39
hex
#604d39rgb
rgb(96, 77, 57)hsl
hsl(31, 25%, 30%)oklch
oklch(0.434 0.04 67.9)Closest name: Black Power (#654b37)Relative luminance 0.0809
Colors that go with #604d39
Teal, Steel Blue and Blue 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 #008080
split-complementshippedTeal is a split-complement of #604d39: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Steel Blue #4682b4
complementaryshippedSteel Blue sits directly opposite #604d39 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped4 real palettes, including Warp's brand system and Dunkin''s brand system put Blue beside #604d39, as the supporting colour.
Champagne #f7e7ce
shipped5 real palettes, including Darkroom and BrandSweets's brand system put Champagne beside #604d39, as the surface under it.
Copper #b87333
shippedDesigners have shipped Copper with #604d39: 5 real palettes, including Desert Road and Bakery, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #604d39: 4 real palettes, including HP's brand system and Hinge's brand system, as the accent.
Goldenrod #daa520
shippedGoldenrod shows up next to #604d39 in 4 real palettes, including Fireside and Candlelight, as the accent.
Cream #fffdd0
neutralCream is the surface #604d39 wants: a warm off-white that shares its undertone, so #604d39 reads softer on it than on pure white.
Real palettes that use #604d39
Tints & shades
Harmonies
Contrast
| #604d39 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 8.02:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.62:1 | 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 #604d39 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
Fonts for this mood
#604d39 reads as warm, muted, dark. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #604d39
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #604d39 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/604d39-c4b59c-62c7cb-2d2c1f-f1eae9?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