Color

#c4e557

#c4e557
hex#c4e557
rgbrgb(196, 229, 87)
hslhsl(74, 73%, 62%)
oklchoklch(0.871 0.17 121.2)
Closest name: Inchworm (#b2ec5d)Relative luminance 0.6846

Colors that go with #c4e557

Plum, Charcoal and Taupe 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.

Real palettes that use #c4e557

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7857e5

#e5bf57 · #7de557

#57c4e5 · #e557c4

Split-complementary

Open in tool →

#577de5 · #bf57e5

#57e5bf · #7857e5 · #e5577d

Contrast

#c4e557 as textRatioAAAA largeAAAFix
Aaon white
1.43:1failfailfail
  • AA: use #637c13 as the text (4.75:1)
  • AAA: use #4a5d0e as the text (7.33:1)
  • AA: or shift the background to #5e5e5e (4.54:1)
  • AAA: or shift the background to #424242 (7.03:1)
Aaon black
14.69:1passpasspassPasses 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 #c4e557 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 #c4e557
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 #c4e557 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c4e557-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