Color

#4fe351

#4fe351
hex#4fe351
rgbrgb(79, 227, 81)
hslhsl(121, 73%, 60%)
oklchoklch(0.808 0.225 143.3)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5719

Colors that go with #4fe351

Taupe, Violet and Charcoal 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 →

#e34fe1

#97e34f · #4fe39b

#514fe3 · #e3514f

Split-complementary

Open in tool →

#9b4fe3 · #e34f97

#4f97e3 · #e34fe1 · #e39b4f

Contrast

#4fe351 as textRatioAAAA largeAAAFix
Aaon white
1.69:1failfailfail
  • AA: use #158917 as the text (4.54:1)
  • AAA: use #106511 as the text (7.26:1)
  • AA: or shift the background to #525252 (4.63:1)
  • AAA: or shift the background to #363636 (7.16:1)
Aaon black
12.44:1passpasspassPasses 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 #4fe351 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 #4fe351
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 #4fe351 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4fe351-a2bea6-9b4edf-1f2d26-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