Color

#5bd281

#5bd281
hex#5bd281
rgbrgb(91, 210, 129)
hslhsl(139, 57%, 59%)
oklchoklch(0.776 0.158 151.4)
Closest name: Envy’s Love (#2dd78d)Relative luminance 0.499

Colors that go with #5bd281

Charcoal, Deep Sky Blue and Mustard Yellow 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 →

#d25bac

#71d25b · #5bd2bc

#815bd2 · #d2815b

Split-complementary

Open in tool →

#bc5bd2 · #d25b71

#5b71d2 · #d25bac · #d2bc5b

Contrast

#5bd281 as textRatioAAAA largeAAAFix
Aaon white
1.91:1failfailfail
  • AA: use #248443 as the text (4.71:1)
  • AAA: use #1b6432 as the text (7.2:1)
  • AA: or shift the background to #4a4a4a (4.63:1)
  • AAA: or shift the background to #2e2e2e (7.1:1)
Aaon black
10.98:1passpasspassPasses 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 #5bd281 as the background.

Brands using this color

mcpConnect your agent — build around #5bd281
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 #5bd281 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bd281-a2beae-c059d4-1f2d2a-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