Color

#0bef40

#0bef40
hex#0bef40
rgbrgb(11, 239, 64)
hslhsl(134, 91%, 49%)
oklchoklch(0.828 0.262 144.6)
Closest name: Becquerel (#4bec13)Relative luminance 0.6217

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ef0bba

#48ef0b · #0befb2

#400bef · #ef400b

Split-complementary

Open in tool →

#b20bef · #ef0b48

#0b48ef · #ef0bba · #efb20b

Contrast

#0bef40 as textRatioAAAA largeAAAFix
Aaon white
1.56:1failfailfail
  • AA: use #068825 as the text (4.61:1)
  • AAA: use #05661c as the text (7.18:1)
  • AA: or shift the background to #575757 (4.62:1)
  • AAA: or shift the background to #3b3b3b (7.17:1)
Aaon black
13.43:1passpasspassPasses 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 #0bef40 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 #0bef40
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 #0bef40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0bef40-a2beac-b559d4-1f2d29-ebf1e9?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