Color
#515b39
#515b39rgb(81, 91, 57)hsl(78, 23%, 29%)oklch(0.453 0.054 121.9)Colors that go with #515b39
Champagne, 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.
Champagne #f7e7ce
shipped6 real palettes, including BrandSweets's brand system and Darkroom put Champagne beside #515b39.
Copper #b87333
shippedDesigners have shipped Copper with #515b39: 4 real palettes, including Clay & Linen and Desert Road, as the lead colour.
Crimson #dc143c
shippedCrimson is paired with #515b39 in 5 real palettes, including Codecademy's brand system and Gemstone, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #515b39: 7 real palettes, including HP's brand system and Intel's brand system, as the accent.
Orange Red #ff4500
shippedOrange Red is paired with #515b39 in 4 real palettes, including Neon's brand system and Clerk's brand system, as the accent.
Peru #cd853f
shipped5 real palettes, including Paper & Pine and Mid-Century put Peru beside #515b39, as the accent.
Cream #fffdd0
neutralCream is the surface #515b39 wants: a warm off-white that shares its undertone, so #515b39 reads softer on it than on pure white.
Slate Blue #6a5acd
complementarySlate Blue sits directly opposite #515b39 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #515b39
Tints & shades
Harmonies
Contrast
| #515b39 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.23:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.91:1 | 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 #515b39 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#515b39 reads as muted, dark, luxury. 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 #515b39 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/515b39-b2bea2-4e69df-232d1f-f1f0e9?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