Color

#5bf599

#5bf599
hex#5bf599
rgbrgb(91, 245, 153)
hslhsl(144, 89%, 66%)
oklchoklch(0.866 0.183 153.6)
Closest name: Illicit Green (#56fca2)Relative luminance 0.6983

Colors that go with #5bf599

Charcoal, Taupe and Violet 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 →

#f55bb8

#6bf55b · #5bf5e6

#995bf5 · #f5995b

Split-complementary

Open in tool →

#e65bf5 · #f55b6b

#5b6bf5 · #f55bb8 · #f5e65b

Contrast

#5bf599 as textRatioAAAA largeAAAFix
Aaon white
1.4:1failfailfail
  • AA: use #08873b as the text (4.63:1)
  • AAA: use #06652c as the text (7.23:1)
  • AA: or shift the background to #5e5e5e (4.62:1)
  • AAA: or shift the background to #424242 (7.16:1)
Aaon black
14.97:1passpasspassPasses 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 #5bf599 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 #5bf599
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 #5bf599 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bf599-a2beb0-ca59d4-1f2d2b-eaf1e9?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