Color

#5bbf45

#5bbf45
hex#5bbf45
rgbrgb(91, 191, 69)
hslhsl(109, 49%, 51%)
oklchoklch(0.719 0.185 140.2)
Closest name: Exit Light (#55bb33)Relative luminance 0.3992

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a945bf

#98bf45 · #45bf6c

#455bbf · #bf455b

Split-complementary

Open in tool →

#6c45bf · #bf4598

#4598bf · #a945bf · #bf6c45

Contrast

#5bbf45 as textRatioAAAA largeAAAFix
Aaon white
2.34:1failfailfail
  • AA: use #3e852e as the text (4.57:1)
  • AAA: use #2e6322 as the text (7.18:1)
  • AA: or shift the background to #3d3d3d (4.65:1)
  • AAA: or shift the background to #1f1f1f (7.05:1)
Aaon black
8.98:1passpasspassPasses 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 #5bbf45 as the background.

Brands using this color

mcpConnect your agent — build around #5bbf45
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 #5bbf45 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bbf45-a4bea2-7e4edf-1f2d23-eef1e9?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