Color

#5bb390

#5bb390
hex#5bb390
rgbrgb(91, 179, 144)
hslhsl(156, 37%, 53%)
oklchoklch(0.702 0.101 165.5)
Closest name: Electra (#55b492)Relative luminance 0.3648

Colors that go with #5bb390

Charcoal, Hot Pink and Cornflower 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 →

#b35b7e

#5bb364 · #5babb3

#905bb3 · #b3905b

Split-complementary

Open in tool →

#b35bab · #b3645b

#645bb3 · #b35b7e · #abb35b

Contrast

#5bb390 as textRatioAAAA largeAAAFix
Aaon white
2.53:1failfailfail
  • AA: use #3b8165 as the text (4.65:1)
  • AAA: use #2d624d as the text (7.08:1)
  • AA: or shift the background to #383838 (4.63:1)
  • AAA: or shift the background to #171717 (7.08:1)
Aaon black
8.3:1passpasspassPasses 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 #5bb390 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 #5bb390
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 #5bb390 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bb390-a2beb6-d459c6-1f2d2d-e9f1ea?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