Color

#539d53

#539d53
hex#539d53
rgbrgb(83, 157, 83)
hslhsl(120, 31%, 47%)
oklchoklch(0.63 0.131 143.8)
Closest name: Golf Course (#5a9e4b)Relative luminance 0.2658

Colors that go with #539d53

Charcoal, Blue and Crimson 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 →

#9d539d

#789d53 · #539d78

#53539d · #9d5353

Split-complementary

Open in tool →

#78539d · #9d5378

#53789d · #9d539d · #9d7853

Contrast

#539d53 as textRatioAAAA largeAAAFix
Aaon white
3.33:1failpassfail
  • AA: use #458245 as the text (4.63:1)
  • AAA: use #336133 as the text (7.25:1)
  • AA: or shift the background to #262626 (4.55:1)
Aaon black
6.32:1passpassfail
  • AAA: use #58a758 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #539d53 as the background.

Brands using this color

mcpConnect your agent — build around #539d53
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 #539d53 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/539d53-a2bea5-994edf-1f2d25-edf1e9?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