Color

#4eb545

#4eb545
hex#4eb545
rgbrgb(78, 181, 69)
hslhsl(115, 45%, 49%)
oklchoklch(0.688 0.179 142)
Closest name: Exit Light (#55bb33)Relative luminance 0.351

Colors that go with #4eb545

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 →

#ac45b5

#86b545 · #45b574

#454eb5 · #b5454e

Split-complementary

Open in tool →

#7445b5 · #b54586

#4586b5 · #ac45b5 · #b57445

Contrast

#4eb545 as textRatioAAAA largeAAAFix
Aaon white
2.62:1failfailfail
  • AA: use #398532 as the text (4.59:1)
  • AAA: use #2b6426 as the text (7.11:1)
  • AA: or shift the background to #363636 (4.61:1)
  • AAA: or shift the background to #141414 (7.04:1)
Aaon black
8.02:1passpasspassPasses 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 #4eb545 as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #4eb545
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 #4eb545 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4eb545-a2bea3-8d4edf-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