Color

#509b95

#509b95
hex#509b95
rgbrgb(80, 155, 149)
hslhsl(175, 32%, 46%)
oklchoklch(0.64 0.075 188.6)
Closest name: cadetblue (#5f9ea0)Relative luminance 0.2732

Colors that go with #509b95

Charcoal, Copper and Blush Pink 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 #509b95

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9b5056

#509b6f · #507c9b

#95509b · #9b9550

Split-complementary

Open in tool →

#9b507c · #9b6f50

#6f509b · #9b5056 · #7c9b50

Contrast

#509b95 as textRatioAAAA largeAAAFix
Aaon white
3.25:1failpassfail
  • AA: use #42807b as the text (4.56:1)
  • AAA: use #315e5a as the text (7.29:1)
  • AA: or shift the background to #262626 (4.66:1)
Aaon black
6.46:1passpassfail
  • AAA: use #53a29b as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #509b95 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 #509b95
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 #509b95 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/509b95-a2bdbe-d4599f-1f282d-e9f1ed?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