Color

#b3f353

#b3f353
hex#b3f353
rgbrgb(179, 243, 83)
hslhsl(84, 87%, 64%)
oklchoklch(0.891 0.198 128.6)
Closest name: Inchworm (#b2ec5d)Relative luminance 0.7431

Colors that go with #b3f353

Blue, Crimson and Gold 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 →

#9353f3

#f3e353 · #63f353

#53b3f3 · #f353b3

Split-complementary

Open in tool →

#5363f3 · #e353f3

#53f3e3 · #9353f3 · #f35363

Contrast

#b3f353 as textRatioAAAA largeAAAFix
Aaon white
1.32:1failfailfail
  • AA: use #518109 as the text (4.67:1)
  • AAA: use #3c5f07 as the text (7.42:1)
  • AA: or shift the background to #636363 (4.54:1)
  • AAA: or shift the background to #474747 (7.02:1)
Aaon black
15.86:1passpasspassPasses 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 #b3f353 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 #b3f353
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 #b3f353 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b3f353-afbea2-4e5adf-222d1f-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