Color

#4def4d

#4def4d
hex#4def4d
rgbrgb(77, 239, 77)
hslhsl(120, 84%, 62%)
oklchoklch(0.838 0.242 143)
Closest name: Becquerel (#4bec13)Relative luminance 0.6385

Colors that go with #4def4d

Violet, Deep Sky Blue and Taupe 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 →

#ef4def

#9eef4d · #4def9e

#4d4def · #ef4d4d

Split-complementary

Open in tool →

#9e4def · #ef4d9e

#4d9eef · #ef4def · #ef9e4d

Contrast

#4def4d as textRatioAAAA largeAAAFix
Aaon white
1.53:1failfailfail
  • AA: use #0c880c as the text (4.62:1)
  • AAA: use #096709 as the text (7.11:1)
  • AA: or shift the background to #595959 (4.59:1)
  • AAA: or shift the background to #3d3d3d (7.12:1)
Aaon black
13.77:1passpasspassPasses 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 #4def4d 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 #4def4d
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 #4def4d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4def4d-a2bea5-994edf-1f2d25-edf1e9?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