Color

#c7ff1f

#c7ff1f
hex#c7ff1f
rgbrgb(199, 255, 31)
hslhsl(75, 100%, 56%)
oklchoklch(0.928 0.226 124.4)
Closest name: Atomic Lime (#b9ff03)Relative luminance 0.8376

Colors that go with #c7ff1f

Plum, Violet 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 →

#571fff

#ffc71f · #57ff1f

#1fc7ff · #ff1fc7

Split-complementary

Open in tool →

#1f57ff · #c71fff

#1fffc7 · #571fff · #ff1f57

Contrast

#c7ff1f as textRatioAAAA largeAAAFix
Aaon white
1.18:1failfailfail
  • AA: use #608000 as the text (4.58:1)
  • AAA: use #496100 as the text (7.02:1)
  • AA: or shift the background to #6b6b6b (4.51:1)
  • AAA: or shift the background to #4d4d4d (7.15:1)
Aaon black
17.75:1passpasspassPasses 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 #c7ff1f as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #c7ff1f
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 #c7ff1f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c7ff1f-b4bea2-4e70df-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