Color

#b3fe10

#b3fe10
hex#b3fe10
rgbrgb(179, 254, 16)
hslhsl(79, 99%, 53%)
oklchoklch(0.913 0.237 128.2)
Closest name: Atomic Lime (#b9ff03)Relative luminance 0.805

Colors that go with #b3fe10

Violet, Charcoal and Red lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5c10fe

#fed210 · #3cfe10

#10b3fe · #fe10b3

Split-complementary

Open in tool →

#103cfe · #d210fe

#10fed2 · #5c10fe · #fe103c

Contrast

#b3fe10 as textRatioAAAA largeAAAFix
Aaon white
1.23:1failfailfail
  • AA: use #577f01 as the text (4.73:1)
  • AAA: use #426000 as the text (7.23:1)
  • AA: or shift the background to #666666 (4.68:1)
  • AAA: or shift the background to #4a4a4a (7.22:1)
Aaon black
17.1:1passpasspassPasses 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 #b3fe10 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 #b3fe10
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #b3fe10 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b3fe10-b2bea2-4e66df-232d1f-f1f0e9?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