Color

#5bbd00

#5bbd00
hex#5bbd00
rgbrgb(91, 189, 0)
hslhsl(91, 100%, 37%)
oklchoklch(0.71 0.212 136.2)
Closest name: Frog (#58bc08)Relative luminance 0.3862

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6100bd

#babd00 · #00bd03

#005bbd · #bd005b

Split-complementary

Open in tool →

#0300bd · #bd00ba

#00babd · #6100bd · #bd0300

Contrast

#5bbd00 as textRatioAAAA largeAAAFix
Aaon white
2.41:1failfailfail
  • AA: use #408500 as the text (4.59:1)
  • AAA: use #2f6100 as the text (7.42:1)
  • AA: or shift the background to #3d3d3d (4.51:1)
  • AAA: or shift the background to #1c1c1c (7.08:1)
Aaon black
8.72:1passpasspassPasses 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 #5bbd00 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 #5bbd00
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 #5bbd00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bbd00-acbea2-534edf-202d1f-f1f1e9?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