Color

#4fe345

#4fe345
hex#4fe345
rgbrgb(79, 227, 69)
hslhsl(116, 74%, 58%)
oklchoklch(0.807 0.233 142.2)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5703

Colors that go with #4fe345

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 →

#d945e3

#9ee345 · #45e389

#454fe3 · #e3454f

Split-complementary

Open in tool →

#8945e3 · #e3459e

#459ee3 · #d945e3 · #e38945

Contrast

#4fe345 as textRatioAAAA largeAAAFix
Aaon white
1.69:1failfailfail
  • AA: use #1b8514 as the text (4.76:1)
  • AAA: use #15660f as the text (7.14:1)
  • AA: or shift the background to #525252 (4.62:1)
  • AAA: or shift the background to #363636 (7.14:1)
Aaon black
12.41:1passpasspassPasses 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 #4fe345 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 #4fe345
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 #4fe345 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4fe345-a2bea3-8f4edf-1f2d24-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