Color

#bbfa29

#bbfa29
hex#bbfa29
rgbrgb(187, 250, 41)
hslhsl(78, 95%, 57%)
oklchoklch(0.909 0.223 126.4)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.791

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6829fa

#fad029 · #53fa29

#29bbfa · #fa29bb

Split-complementary

Open in tool →

#2953fa · #d029fa

#29fad0 · #6829fa · #fa2953

Contrast

#bbfa29 as textRatioAAAA largeAAAFix
Aaon white
1.25:1failfailfail
  • AA: use #5b8103 as the text (4.58:1)
  • AAA: use #435e02 as the text (7.39:1)
  • AA: or shift the background to #666666 (4.6:1)
  • AAA: or shift the background to #4a4a4a (7.1:1)
Aaon black
16.82:1passpasspassPasses 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 #bbfa29 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 #bbfa29
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 #bbfa29 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bbfa29-b2bea2-4e69df-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