Color

#4bc37b

#4bc37b
hex#4bc37b
rgbrgb(75, 195, 123)
hslhsl(144, 50%, 53%)
oklchoklch(0.731 0.15 153.8)
Closest name: Emerald Green (#50c878)Relative luminance 0.4196

Colors that go with #4bc37b

Charcoal, Blue and Cornflower 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 →

#c34b93

#57c34b · #4bc3b7

#7b4bc3 · #c37b4b

Split-complementary

Open in tool →

#b74bc3 · #c34b57

#4b57c3 · #c34b93 · #c3b74b

Contrast

#4bc37b as textRatioAAAA largeAAAFix
Aaon white
2.24:1failfailfail
  • AA: use #2d8650 as the text (4.53:1)
  • AAA: use #21633c as the text (7.2:1)
  • AA: or shift the background to #404040 (4.64:1)
  • AAA: or shift the background to #212121 (7.2:1)
Aaon black
9.39:1passpasspassPasses 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 #4bc37b 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 #4bc37b
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 #4bc37b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4bc37b-a2beb0-ca59d4-1f2d2b-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