Color

#4fe39b

#4fe39b
hex#4fe39b
rgbrgb(79, 227, 155)
hslhsl(151, 73%, 60%)
oklchoklch(0.819 0.163 158.2)
Closest name: Grotesque Green (#64e986)Relative luminance 0.5897

Colors that go with #4fe39b

Deep Sky Blue, Mustard Yellow and Royal 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 →

#e34f97

#4fe351 · #4fe1e3

#9b4fe3 · #e39b4f

Split-complementary

Open in tool →

#e34fe1 · #e3514f

#514fe3 · #e34f97 · #e1e34f

Contrast

#4fe39b as textRatioAAAA largeAAAFix
Aaon white
1.64:1failfailfail
  • AA: use #15844e as the text (4.73:1)
  • AAA: use #10653c as the text (7.12:1)
  • AA: or shift the background to #545454 (4.61:1)
  • AAA: or shift the background to #383838 (7.14:1)
Aaon black
12.79:1passpasspassPasses 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 #4fe39b 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 #4fe39b
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 #4fe39b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4fe39b-a2beb4-d459d0-1f2d2c-e9f1ea?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