Color

#c5e449

#c5e449
hex#c5e449
rgbrgb(197, 228, 73)
hslhsl(72, 74%, 59%)
oklchoklch(0.868 0.179 120.1)
Closest name: Bitter Lemon (#d2db32)Relative luminance 0.6784

Colors that go with #c5e449

Charcoal, Plum 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 →

#6849e4

#e4b549 · #78e449

#49c5e4 · #e449c5

Split-complementary

Open in tool →

#4978e4 · #b549e4

#49e4b5 · #6849e4 · #e44978

Contrast

#c5e449 as textRatioAAAA largeAAAFix
Aaon white
1.44:1failfailfail
  • AA: use #677c13 as the text (4.7:1)
  • AAA: use #4d5d0e as the text (7.27:1)
  • AA: or shift the background to #5c5c5c (4.64:1)
  • AAA: or shift the background to #404040 (7.19:1)
Aaon black
14.57:1passpasspassPasses 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 #c5e449 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 #c5e449
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 #c5e449 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c5e449-b5bea2-4e77df-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