Color
#515f1b
#515f1brgb(81, 95, 27)hsl(72, 56%, 24%)oklch(0.459 0.093 120.2)Colors that go with #515f1b
Charcoal, Royal Blue and Blue Violet 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.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #515f1b: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Royal Blue #4169e1
split-complementshippedRoyal Blue is a split-complement of #515f1b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blue Violet #8a2be2
complementaryshippedBlue Violet sits directly opposite #515f1b on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Crimson #dc143c
shippedCrimson is paired with #515f1b in 5 real palettes, including MAC Cosmetics's brand system and Five Guys's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #515f1b: 5 real palettes, including Xbox's brand system and Intel's brand system, as the supporting colour.
Rust #b7410e
shippedRust shows up next to #515f1b in 4 real palettes, including Trailhead and Magazine Ochre, as the lead colour.
Sage Green #9caf88
shippedDesigners have shipped Sage Green with #515f1b: 7 real palettes, including Olive Grove and Pine & Birch, as the supporting colour.
Slate Gray #708090
shipped4 real palettes, including Clay & Linen and Bookshop put Slate Gray beside #515f1b, as the supporting colour.
Real palettes that use #515f1b
Tints & shades
Harmonies
Contrast
| #515f1b as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.99:1 | pass | pass | fail |
|
Aaon black | 3:1 | fail | pass | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #515f1b 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
#515f1b reads as dark, luxury, bold. 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 #515f1b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/515f1b-b5bea2-4e77df-242d1f-f1efe9?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