Color

#5b9155

#5b9155
hex#5b9155
rgbrgb(91, 145, 85)
hslhsl(114, 26%, 45%)
oklchoklch(0.603 0.105 141.9)
Closest name: Fern (#548d44)Relative luminance 0.2313

Colors that go with #5b9155

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 →

#8b5591

#799155 · #55916d

#555b91 · #91555b

Split-complementary

Open in tool →

#6d5591 · #915579

#557991 · #8b5591 · #916d55

Contrast

#5b9155 as textRatioAAAA largeAAAFix
Aaon white
3.73:1failpassfail
  • AA: use #51814b as the text (4.57:1)
  • AAA: use #3d6039 as the text (7.17:1)
  • AA: or shift the background to #1c1c1c (4.57:1)
Aaon black
5.63:1passpassfail

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b9155 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 #5b9155
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 #5b9155 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b9155-a2bea2-8a4edf-1f2d24-eef1e9?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