Color

#c5fa29

#c5fa29
hex#c5fa29
rgbrgb(197, 250, 41)
hslhsl(75, 95%, 57%)
oklchoklch(0.916 0.219 124.1)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.804

Colors that go with #c5fa29

Plum, Violet and Blue 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 →

#5d29fa

#fac529 · #5dfa29

#29c5fa · #fa29c5

Split-complementary

Open in tool →

#295dfa · #c529fa

#29fac5 · #5d29fa · #fa295d

Contrast

#c5fa29 as textRatioAAAA largeAAAFix
Aaon white
1.23:1failfailfail
  • AA: use #628103 as the text (4.51:1)
  • AAA: use #475e02 as the text (7.32:1)
  • AA: or shift the background to #666666 (4.67:1)
  • AAA: or shift the background to #4a4a4a (7.21:1)
Aaon black
17.08:1passpasspassPasses 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 #c5fa29 as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #c5fa29
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 #c5fa29 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c5fa29-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