Color

#4fb238

#4fb238
hex#4fb238
rgbrgb(79, 178, 56)
hslhsl(109, 52%, 46%)
oklchoklch(0.679 0.184 140.2)
Closest name: Extra Life (#6ab417)Relative luminance 0.3379

Colors that go with #4fb238

Charcoal, Royal 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 →

#9c38b2

#8cb238 · #38b25f

#384fb2 · #b2384f

Split-complementary

Open in tool →

#5f38b2 · #b2388c

#388cb2 · #9c38b2 · #b25f38

Contrast

#4fb238 as textRatioAAAA largeAAAFix
Aaon white
2.71:1failfailfail
  • AA: use #3a842a as the text (4.65:1)
  • AAA: use #2c6520 as the text (7.02:1)
  • AA: or shift the background to #333333 (4.67:1)
  • AAA: or shift the background to #0f0f0f (7.08:1)
Aaon black
7.76:1passpasspassPasses 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 #4fb238 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 #4fb238
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 #4fb238 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4fb238-a4bea2-7e4edf-1f2d23-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