Color

#cbfb09

#cbfb09
hex#cbfb09
rgbrgb(203, 251, 9)
hslhsl(72, 97%, 51%)
oklchoklch(0.921 0.224 122.6)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.8171

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3909fb

#fbb309 · #52fb09

#09cbfb · #fb09cb

Split-complementary

Open in tool →

#0952fb · #b309fb

#09fbb3 · #3909fb · #fb0952

Contrast

#cbfb09 as textRatioAAAA largeAAAFix
Aaon white
1.21:1failfailfail
  • AA: use #657e02 as the text (4.63:1)
  • AAA: use #4d5f01 as the text (7.11:1)
  • AA: or shift the background to #696969 (4.53:1)
  • AAA: or shift the background to #4a4a4a (7.32:1)
Aaon black
17.34:1passpasspassPasses 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 #cbfb09 as the background.

Brands using this color

mcpConnect your agent — build around #cbfb09
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 #cbfb09 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cbfb09-b5bea2-4e77df-242d1f-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