Color

#c4c615

#c4c615
hex#c4c615
rgbrgb(196, 198, 21)
hslhsl(61, 81%, 43%)
oklchoklch(0.799 0.171 110.5)
Closest name: Celery (#b4c04c)Relative luminance 0.5218

Colors that go with #c4c615

Charcoal, Deep Sky Blue and Lilac 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 →

#1815c6

#c67115 · #6bc615

#15c4c6 · #c615c4

Split-complementary

Open in tool →

#156bc6 · #7115c6

#15c671 · #1815c6 · #c6156b

Contrast

#c4c615 as textRatioAAAA largeAAAFix
Aaon white
1.84:1failfailfail
  • AA: use #76780d as the text (4.71:1)
  • AAA: use #5b5c0a as the text (7.05:1)
  • AA: or shift the background to #4d4d4d (4.6:1)
  • AAA: or shift the background to #303030 (7.19:1)
Aaon black
11.44:1passpasspassPasses 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 #c4c615 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 #c4c615
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 #c4c615 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c4c615-babea2-4e92df-272d1f-f1ede9?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