Color

#b3cd23

#b3cd23
hex#b3cd23
rgbrgb(179, 205, 35)
hslhsl(69, 71%, 47%)
oklchoklch(0.801 0.18 118.8)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5337

Colors that go with #b3cd23

Cornflower Blue, Deep Sky Blue and Crimson 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.

Real palettes that use #b3cd23

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3c23cd

#cd9123 · #5ecd23

#23b3cd · #cd23b3

Split-complementary

Open in tool →

#235ecd · #9123cd

#23cd91 · #3c23cd · #cd235e

Contrast

#b3cd23 as textRatioAAAA largeAAAFix
Aaon white
1.8:1failfailfail
  • AA: use #6b7a15 as the text (4.75:1)
  • AAA: use #505c10 as the text (7.29:1)
  • AA: or shift the background to #4f4f4f (4.55:1)
  • AAA: or shift the background to #333333 (7.02:1)
Aaon black
11.67:1passpasspassPasses 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 #b3cd23 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 #b3cd23
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 #b3cd23 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b3cd23-b7bea2-4e7edf-252d1f-f1eee9?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