Color

#beff0a

#beff0a
hex#beff0a
rgbrgb(190, 255, 10)
hslhsl(76, 100%, 52%)
oklchoklch(0.922 0.234 126.2)
Closest name: Atomic Lime (#b9ff03)Relative luminance 0.8249

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4b0aff

#ffc60a · #43ff0a

#0abeff · #ff0abe

Split-complementary

Open in tool →

#0a43ff · #c60aff

#0affc6 · #4b0aff · #ff0a43

Contrast

#beff0a as textRatioAAAA largeAAAFix
Aaon white
1.2:1failfailfail
  • AA: use #5e8000 as the text (4.6:1)
  • AAA: use #476100 as the text (7.05:1)
  • AA: or shift the background to #696969 (4.57:1)
  • AAA: or shift the background to #4d4d4d (7.04:1)
Aaon black
17.5:1passpasspassPasses 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 #beff0a as the background.

Brands using this color

mcpConnect your agent — build around #beff0a
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 #beff0a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/beff0a-b3bea2-4e6edf-232d1f-f1efe9?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