Color

#5bb39c

#5bb39c
hex#5bb39c
rgbrgb(91, 179, 156)
hslhsl(164, 37%, 53%)
oklchoklch(0.705 0.092 174.3)
Closest name: Electra (#55b492)Relative luminance 0.3686

Colors that go with #5bb39c

Charcoal, Cornflower Blue and 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 →

#b35b72

#5bb36f · #5b9fb3

#9c5bb3 · #b39c5b

Split-complementary

Open in tool →

#b35b9f · #b36f5b

#6f5bb3 · #b35b72 · #9fb35b

Contrast

#5bb39c as textRatioAAAA largeAAAFix
Aaon white
2.51:1failfailfail
  • AA: use #3b816f as the text (4.61:1)
  • AAA: use #2d6254 as the text (7.03:1)
  • AA: or shift the background to #383838 (4.68:1)
  • AAA: or shift the background to #171717 (7.15:1)
Aaon black
8.37:1passpasspassPasses 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 #5bb39c 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 #5bb39c
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 #5bb39c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bb39c-a2beba-d459b5-1f2b2d-e9f1eb?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