Color
#508b51
#508b51rgb(80, 139, 81)hsl(121, 27%, 43%)oklch(0.581 0.107 144.4)Colors that go with #508b51
Charcoal, Blue and Copper 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 #508b51: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Blue #0000ff
shipped4 real palettes, including Kia's brand system and Instacart's brand system put Blue beside #508b51, as the accent.
Copper #b87333
shippedDesigners have shipped Copper with #508b51: 4 real palettes, including Wellness and Riverbed, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #508b51 in 7 real palettes, including Five Guys's brand system and Netflix's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #508b51: 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 Paramount+'s brand system and Tide Pool put Midnight Blue beside #508b51, as the supporting colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #508b51 in 5 real palettes, including Subaru's brand system and Coinbase's brand system, as the supporting colour.
Steel Blue #4682b4
triadicshippedSteel Blue completes a triad with #508b51 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Real palettes that use #508b51
Tints & shades
Harmonies
Contrast
| #508b51 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.08:1 | fail | pass | fail | |
Aaon black | 5.15:1 | 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 #508b51 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 #508b51 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/508b51-a2bea6-9b4edf-1f2d26-edf1e9?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