Color

#509f60

#509f60
hex#509f60
rgbrgb(80, 159, 96)
hslhsl(132, 33%, 47%)
oklchoklch(0.636 0.122 148.6)
Closest name: Bulma Hair (#359e6b)Relative luminance 0.2735

Colors that go with #509f60

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 →

#9f5090

#689f50 · #509f88

#60509f · #9f6050

Split-complementary

Open in tool →

#88509f · #9f5068

#50689f · #9f5090 · #9f8850

Contrast

#509f60 as textRatioAAAA largeAAAFix
Aaon white
3.25:1failpassfail
  • AA: use #438450 as the text (4.51:1)
  • AAA: use #32623b as the text (7.13:1)
  • AA: or shift the background to #262626 (4.66:1)
Aaon black
6.47:1passpassfail
  • AAA: use #54a664 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #509f60 as the background.

Brands using this color

mcpConnect your agent — build around #509f60
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 #509f60 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/509f60-a2beab-b64edf-1f2d28-ecf1e9?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