Color

#5bec81

#5bec81
hex#5bec81
rgbrgb(91, 236, 129)
hslhsl(136, 79%, 64%)
oklchoklch(0.84 0.193 149)
Closest name: Grotesque Green (#64e986)Relative luminance 0.638

Colors that go with #5bec81

Charcoal, Deep Sky Blue and Taupe 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 →

#ec5bc5

#7dec5b · #5becca

#815bec · #ec815b

Split-complementary

Open in tool →

#ca5bec · #ec5b7d

#5b7dec · #ec5bc5 · #ecca5b

Contrast

#5bec81 as textRatioAAAA largeAAAFix
Aaon white
1.53:1failfailfail
  • AA: use #108930 as the text (4.52:1)
  • AAA: use #0c6423 as the text (7.34:1)
  • AA: or shift the background to #595959 (4.59:1)
  • AAA: or shift the background to #3d3d3d (7.12:1)
Aaon black
13.76:1passpasspassPasses 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 #5bec81 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 #5bec81
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 #5bec81 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bec81-a2bead-b959d4-1f2d29-ebf1e9?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