Color

#cbf42a

#cbf42a
hex#cbf42a
rgbrgb(203, 244, 42)
hslhsl(72, 90%, 56%)
oklchoklch(0.906 0.209 121.5)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.7757

Colors that go with #cbf42a

Blue, Crimson and Red 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 →

#522af4

#f4b72a · #66f42a

#2acbf4 · #f42acb

Split-complementary

Open in tool →

#2a66f4 · #b72af4

#2af4b7 · #522af4 · #f42a66

Contrast

#cbf42a as textRatioAAAA largeAAAFix
Aaon white
1.27:1failfailfail
  • AA: use #667e07 as the text (4.61:1)
  • AAA: use #4b5c05 as the text (7.41:1)
  • AA: or shift the background to #666666 (4.51:1)
  • AAA: or shift the background to #474747 (7.31:1)
Aaon black
16.51:1passpasspassPasses 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 #cbf42a 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 #cbf42a
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 #cbf42a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cbf42a-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