Color

#4db427

#4db427
hex#4db427
rgbrgb(77, 180, 39)
hslhsl(104, 64%, 43%)
oklchoklch(0.683 0.197 139)
Closest name: Exit Light (#55bb33)Relative luminance 0.3437

Colors that go with #4db427

Royal Blue, Taupe and Medium Orchid 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 →

#8e27b4

#93b427 · #27b448

#274db4 · #b4274d

Split-complementary

Open in tool →

#4827b4 · #b42793

#2793b4 · #8e27b4 · #b44827

Contrast

#4db427 as textRatioAAAA largeAAAFix
Aaon white
2.67:1failfailfail
  • AA: use #39861d as the text (4.56:1)
  • AAA: use #2b6416 as the text (7.15:1)
  • AA: or shift the background to #363636 (4.53:1)
  • AAA: or shift the background to #121212 (7.02:1)
Aaon black
7.87:1passpasspassPasses 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 #4db427 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 #4db427
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 #4db427 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4db427-a6bea2-724edf-1f2d22-eff1e9?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