Color

#509f6d

#509f6d
hex#509f6d
rgbrgb(80, 159, 109)
hslhsl(142, 33%, 47%)
oklchoklch(0.639 0.109 154.1)
Closest name: Bulma Hair (#359e6b)Relative luminance 0.2761

Colors that go with #509f6d

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.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#9f5082

#5b9f50 · #509f95

#6d509f · #9f6d50

Split-complementary

Open in tool →

#95509f · #9f505b

#505b9f · #9f5082 · #9f9550

Contrast

#509f6d as textRatioAAAA largeAAAFix
Aaon white
3.22:1failpassfail
  • AA: use #418158 as the text (4.66:1)
  • AAA: use #326243 as the text (7.09:1)
  • AA: or shift the background to #292929 (4.52:1)
Aaon black
6.52:1passpassfail
  • AAA: use #54a672 as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #509f6d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #509f6d
live endpoint

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.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #509f6d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/509f6d-a2beaf-c659d4-1f2d2a-eaf1e9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md