Color

#5def43

#5def43
hex#5def43
rgbrgb(93, 239, 67)
hslhsl(111, 84%, 60%)
oklchoklch(0.841 0.243 140.9)
Closest name: Becquerel (#4bec13)Relative luminance 0.6447

Colors that go with #5def43

Deep Sky Blue, Violet and Hot Pink 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 →

#d543ef

#b3ef43 · #43ef7f

#435def · #ef435d

Split-complementary

Open in tool →

#7f43ef · #ef43b3

#43b3ef · #d543ef · #ef7f43

Contrast

#5def43 as textRatioAAAA largeAAAFix
Aaon white
1.51:1failfailfail
  • AA: use #1e880c as the text (4.58:1)
  • AAA: use #176709 as the text (7.05:1)
  • AA: or shift the background to #595959 (4.63:1)
  • AAA: or shift the background to #3d3d3d (7.19:1)
Aaon black
13.89:1passpasspassPasses 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 #5def43 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 #5def43
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 #5def43 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5def43-a3bea2-834edf-1f2d23-eef1e9?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