Color

#539d64

#539d64
hex#539d64
rgbrgb(83, 157, 100)
hslhsl(134, 31%, 47%)
oklchoklch(0.633 0.113 149.6)
Closest name: Bulma Hair (#359e6b)Relative luminance 0.2687

Colors that go with #539d64

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 →

#9d538c

#679d53 · #539d89

#64539d · #9d6453

Split-complementary

Open in tool →

#89539d · #9d5367

#53679d · #9d538c · #9d8953

Contrast

#539d64 as textRatioAAAA largeAAAFix
Aaon white
3.29:1failpassfail
  • AA: use #458253 as the text (4.59:1)
  • AAA: use #33613e as the text (7.19:1)
  • AA: or shift the background to #262626 (4.59:1)
Aaon black
6.37:1passpassfail
  • AAA: use #58a76a as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #539d64 as the background.

Brands using this color

mcpConnect your agent — build around #539d64
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 #539d64 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/539d64-a2beac-b559d4-1f2d29-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