Color

#4bc377

#4bc377
hex#4bc377
rgbrgb(75, 195, 119)
hslhsl(142, 50%, 53%)
oklchoklch(0.731 0.154 152.5)
Closest name: Emerald Green (#50c878)Relative luminance 0.4186

Colors that go with #4bc377

Charcoal, Dark Olive Green and Mustard Yellow 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 →

#c34b97

#5bc34b · #4bc3b3

#774bc3 · #c3774b

Split-complementary

Open in tool →

#b34bc3 · #c34b5b

#4b5bc3 · #c34b97 · #c3b34b

Contrast

#4bc377 as textRatioAAAA largeAAAFix
Aaon white
2.24:1failfailfail
  • AA: use #2d864d as the text (4.54:1)
  • AAA: use #216339 as the text (7.22:1)
  • AA: or shift the background to #404040 (4.63:1)
  • AAA: or shift the background to #212121 (7.19:1)
Aaon black
9.37:1passpasspassPasses 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 #4bc377 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 #4bc377
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 #4bc377 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4bc377-a2beaf-c659d4-1f2d2a-eaf1e9?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