Color

#539d5a

#539d5a
hex#539d5a
rgbrgb(83, 157, 90)
hslhsl(126, 31%, 47%)
oklchoklch(0.631 0.123 145.9)
Closest name: Golf Course (#5a9e4b)Relative luminance 0.2669

Colors that go with #539d5a

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 →

#9d5396

#709d53 · #539d7f

#5a539d · #9d5a53

Split-complementary

Open in tool →

#7f539d · #9d5370

#53709d · #9d5396 · #9d7f53

Contrast

#539d5a as textRatioAAAA largeAAAFix
Aaon white
3.31:1failpassfail
  • AA: use #45824b as the text (4.62:1)
  • AAA: use #336138 as the text (7.22:1)
  • AA: or shift the background to #262626 (4.57:1)
Aaon black
6.34:1passpassfail
  • AAA: use #58a760 as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #539d5a as the background.

Brands using this color

mcpConnect your agent — build around #539d5a
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 #539d5a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/539d5a-a2bea8-a74edf-1f2d27-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