Color

#cdf54d

#cdf54d
hex#cdf54d
rgbrgb(205, 245, 77)
hslhsl(74, 89%, 63%)
oklchoklch(0.912 0.193 122)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.7882

Colors that go with #cdf54d

Blue, Charcoal 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#744df5

#f5c84d · #79f54d

#4dcdf5 · #f54dcd

Split-complementary

Open in tool →

#4d79f5 · #c84df5

#4df5c8 · #744df5 · #f54d79

Contrast

#cdf54d as textRatioAAAA largeAAAFix
Aaon white
1.25:1failfailfail
  • AA: use #627d07 as the text (4.71:1)
  • AAA: use #4b6006 as the text (7.06:1)
  • AA: or shift the background to #666666 (4.58:1)
  • AAA: or shift the background to #4a4a4a (7.07:1)
Aaon black
16.76:1passpasspassPasses 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 #cdf54d 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 #cdf54d
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 #cdf54d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cdf54d-b4bea2-4e72df-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