Color

#5bb55a

#5bb55a
hex#5bb55a
rgbrgb(91, 181, 90)
hslhsl(119, 38%, 53%)
oklchoklch(0.696 0.154 143.5)
Closest name: Arugula (#75ad5b)Relative luminance 0.3601

Colors that go with #5bb55a

Charcoal, Mustard Yellow and Royal Blue 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 →

#b35ab5

#89b55a · #5ab586

#5a5bb5 · #b55a5b

Split-complementary

Open in tool →

#865ab5 · #b55a89

#5a89b5 · #b35ab5 · #b5865a

Contrast

#5bb55a as textRatioAAAA largeAAAFix
Aaon white
2.56:1failfailfail
  • AA: use #3c823a as the text (4.72:1)
  • AAA: use #2d632c as the text (7.16:1)
  • AA: or shift the background to #383838 (4.58:1)
  • AAA: or shift the background to #171717 (7:1)
Aaon black
8.2:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5bb55a 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 #5bb55a
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 #5bb55a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bb55a-a2bea5-964edf-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