Color

#539d65

#539d65
hex#539d65
rgbrgb(83, 157, 101)
hslhsl(135, 31%, 47%)
oklchoklch(0.633 0.112 150.1)
Closest name: Bulma Hair (#359e6b)Relative luminance 0.2689

Colors that go with #539d65

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 →

#9d538a

#659d53 · #539d8a

#65539d · #9d6553

Split-complementary

Open in tool →

#8a539d · #9d5365

#53659d · #9d538a · #9d8a53

Contrast

#539d65 as textRatioAAAA largeAAAFix
Aaon white
3.29:1failpassfail
  • AA: use #458254 as the text (4.59:1)
  • AAA: use #33613e as the text (7.19:1)
  • AA: or shift the background to #262626 (4.6:1)
Aaon black
6.38:1passpassfail
  • AAA: use #58a76c as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #539d65 as the background.

Brands using this color

mcpConnect your agent — build around #539d65
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 #539d65 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/539d65-a2beac-b759d4-1f2d29-ebf1e9?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