Color
#51913b
#51913brgb(81, 145, 59)hsl(105, 42%, 40%)oklch(0.594 0.137 138.5)Colors that go with #51913b
Charcoal, Royal 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.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #51913b: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Royal Blue #4169e1
triadicshippedRoyal Blue completes a triad with #51913b — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Blue #0000ff
shipped4 real palettes, including Kia's brand system and Instacart's brand system put Blue beside #51913b, as the accent.
Crimson #dc143c
shippedCrimson is paired with #51913b in 5 real palettes, including Five Guys's brand system and Netflix's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #51913b: 6 real palettes, including Intel's brand system and Jack Daniel's's brand system, as the supporting colour.
Midnight Blue #191970
shipped4 real palettes, including Telehealth and Paramount+'s brand system put Midnight Blue beside #51913b, as the text colour against it.
Taupe #483c32
shippedTaupe is paired with #51913b in 12 real palettes, including Acer's brand system and Subaru's brand system, as that palette's text colour.
Medium Orchid #ba55d3
complementaryMedium Orchid sits directly opposite #51913b 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 #51913b
Tints & shades
Harmonies
Contrast
| #51913b as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.84:1 | fail | pass | fail | |
Aaon black | 5.46:1 | pass | 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 #51913b as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
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 #51913b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/51913b-a6bea2-754edf-1f2d22-eff1e9?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