Color

#509175

#509175
hex#509175
rgbrgb(80, 145, 117)
hslhsl(154, 29%, 44%)
oklchoklch(0.605 0.08 164.3)
Closest name: Highlands (#449084)Relative luminance 0.2324

Colors that go with #509175

Charcoal, Copper and Medium Violet Red 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.

Real palettes that use #509175

Tints & shades

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

Harmonies

Complementary

Open in tool →

#91506c

#509154 · #508c91

#755091 · #917550

Split-complementary

Open in tool →

#91508c · #915450

#545091 · #91506c · #8c9150

Contrast

#509175 as textRatioAAAA largeAAAFix
Aaon white
3.72:1failpassfail
  • AA: use #478067 as the text (4.61:1)
  • AAA: use #355f4d as the text (7.25:1)
  • AA: or shift the background to #1c1c1c (4.58:1)
Aaon black
5.65:1passpassfail
  • AAA: use #5ba484 as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #509175 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 #509175
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 #509175 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/509175-a2beb5-d459ca-1f2d2d-e9f1ea?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