Color

#509b79

#509b79
hex#509b79
rgbrgb(80, 155, 121)
hslhsl(153, 32%, 46%)
oklchoklch(0.631 0.092 162.6)
Closest name: Bulma Hair (#359e6b)Relative luminance 0.2653

Colors that go with #509b79

Charcoal, Blush Pink and Chocolate 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 #509b79

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9b5072

#509b54 · #50979b

#79509b · #9b7950

Split-complementary

Open in tool →

#9b5097 · #9b5450

#54509b · #9b5072 · #979b50

Contrast

#509b79 as textRatioAAAA largeAAAFix
Aaon white
3.33:1failpassfail
  • AA: use #428064 as the text (4.66:1)
  • AAA: use #32624c as the text (7.03:1)
  • AA: or shift the background to #262626 (4.54:1)
Aaon black
6.31:1passpassfail
  • AAA: use #55a581 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 #509b79 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 #509b79
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 #509b79 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/509b79-a2beb5-d459cc-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