Color

#b3cc33

#b3cc33
hex#b3cc33
rgbrgb(179, 204, 51)
hslhsl(70, 60%, 50%)
oklchoklch(0.8 0.171 118.7)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5301

Colors that go with #b3cc33

Charcoal, Cornflower Blue and Deep Sky Blue 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 →

#4d33cc

#cc9933 · #66cc33

#33b3cc · #cc33b2

Split-complementary

Open in tool →

#3366cc · #9933cc

#33cc99 · #4d33cc · #cc3366

Contrast

#b3cc33 as textRatioAAAA largeAAAFix
Aaon white
1.81:1failfailfail
  • AA: use #6b7a1f as the text (4.74:1)
  • AAA: use #525e17 as the text (7.07:1)
  • AA: or shift the background to #4f4f4f (4.53:1)
  • AAA: or shift the background to #303030 (7.29:1)
Aaon black
11.6:1passpasspassPasses 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 #b3cc33 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 #b3cc33
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 #b3cc33 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b3cc33-b6bea2-4e7cdf-252d1f-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