Color

#c4f381

#c4f381
hex#c4f381
rgbrgb(196, 243, 129)
hslhsl(85, 83%, 73%)
oklchoklch(0.907 0.151 127.6)
Closest name: Cucumber Milk (#c2f177)Relative luminance 0.7742

Colors that go with #c4f381

Lilac, Blue and Charcoal 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 →

#b181f3

#f3ea81 · #8bf381

#81c4f3 · #f381c4

Split-complementary

Open in tool →

#818bf3 · #ea81f3

#81f3ea · #b181f3 · #f3818b

Contrast

#c4f381 as textRatioAAAA largeAAAFix
Aaon white
1.27:1failfailfail
  • AA: use #51830c as the text (4.56:1)
  • AAA: use #3d6209 as the text (7.12:1)
  • AA: or shift the background to #666666 (4.51:1)
  • AAA: or shift the background to #474747 (7.29:1)
Aaon black
16.48:1passpasspassPasses 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 #c4f381 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#c4f381 reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c4f381
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 #c4f381 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c4f381-afbea2-4e58df-212d1f-f1f0e9?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