Color

#5bbf40

#5bbf40
hex#5bbf40
rgbrgb(91, 191, 64)
hslhsl(107, 50%, 50%)
oklchoklch(0.718 0.189 139.7)
Closest name: Exit Light (#55bb33)Relative luminance 0.3986

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#a440bf

#9bbf40 · #40bf64

#405bbf · #bf405b

Split-complementary

Open in tool →

#6440bf · #bf409b

#409bbf · #a440bf · #bf6440

Contrast

#5bbf40 as textRatioAAAA largeAAAFix
Aaon white
2.34:1failfailfail
  • AA: use #40862d as the text (4.5:1)
  • AAA: use #306321 as the text (7.16:1)
  • AA: or shift the background to #3d3d3d (4.64:1)
  • AAA: or shift the background to #1f1f1f (7.04:1)
Aaon black
8.97:1passpasspassPasses 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 #5bbf40 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 #5bbf40
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #5bbf40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bbf40-a5bea2-7a4edf-1f2d22-eff1e9?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