Color

#0bf91b

#0bf91b
hex#0bf91b
rgbrgb(11, 249, 27)
hslhsl(124, 95%, 51%)
oklchoklch(0.852 0.285 142.8)
Closest name: Cyber Neon Green (#00ff26)Relative luminance 0.679

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f90be9

#72f90b · #0bf992

#1b0bf9 · #f91b0b

Split-complementary

Open in tool →

#920bf9 · #f90b72

#0b72f9 · #f90be9 · #f9920b

Contrast

#0bf91b as textRatioAAAA largeAAAFix
Aaon white
1.44:1failfailfail
  • AA: use #03860c as the text (4.75:1)
  • AAA: use #036809 as the text (7.03:1)
  • AA: or shift the background to #5e5e5e (4.5:1)
  • AAA: or shift the background to #404040 (7.2:1)
Aaon black
14.58:1passpasspassPasses 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 #0bf91b 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 #0bf91b
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 #0bf91b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0bf91b-a2bea7-a24edf-1f2d26-edf1e9?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