Color

#4def65

#4def65
hex#4def65
rgbrgb(77, 239, 101)
hslhsl(129, 84%, 62%)
oklchoklch(0.84 0.225 145.6)
Closest name: Emerald Ice Palace (#2af589)Relative luminance 0.6425

Colors that go with #4def65

Deep Sky Blue, Taupe and Violet 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 →

#ef4dd7

#86ef4d · #4defb7

#654def · #ef654d

Split-complementary

Open in tool →

#b74def · #ef4d86

#4d86ef · #ef4dd7 · #efb74d

Contrast

#4def65 as textRatioAAAA largeAAAFix
Aaon white
1.52:1failfailfail
  • AA: use #0c881e as the text (4.61:1)
  • AAA: use #096717 as the text (7.08:1)
  • AA: or shift the background to #595959 (4.62:1)
  • AAA: or shift the background to #3d3d3d (7.16:1)
Aaon black
13.85:1passpasspassPasses 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 #4def65 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 #4def65
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 #4def65 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4def65-a2bea9-ae4edf-1f2d27-ecf1e9?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