Color

#5bb819

#5bb819
hex#5bb819
rgbrgb(91, 184, 25)
hslhsl(95, 76%, 41%)
oklchoklch(0.698 0.201 136.4)
Closest name: Exit Light (#55bb33)Relative luminance 0.3658

Colors that go with #5bb819

Royal Blue, Taupe and Orchid 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 →

#7619b8

#abb819 · #19b826

#195bb8 · #b8195b

Split-complementary

Open in tool →

#2619b8 · #b819ab

#19abb8 · #7619b8 · #b82619

Contrast

#5bb819 as textRatioAAAA largeAAAFix
Aaon white
2.53:1failfailfail
  • AA: use #418212 as the text (4.74:1)
  • AAA: use #31630d as the text (7.19:1)
  • AA: or shift the background to #383838 (4.64:1)
  • AAA: or shift the background to #171717 (7.1:1)
Aaon black
8.32:1passpasspassPasses 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 #5bb819 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 #5bb819
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 #5bb819 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bb819-aabea2-5d4edf-1f2d20-f0f1e9?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