Color

#4db300

#4db300
hex#4db300
rgbrgb(77, 179, 0)
hslhsl(94, 100%, 35%)
oklchoklch(0.679 0.208 137.5)
Closest name: Extra Life (#6ab417)Relative luminance 0.3382

Colors that go with #4db300

Taupe, Medium Orchid and Medium Purple 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 →

#6500b3

#a7b300 · #00b30c

#004db3 · #b3004d

Split-complementary

Open in tool →

#0c00b3 · #b300a7

#00a7b3 · #6500b3 · #b30c00

Contrast

#4db300 as textRatioAAAA largeAAAFix
Aaon white
2.7:1failfailfail
  • AA: use #398500 as the text (4.64:1)
  • AAA: use #2a6100 as the text (7.48:1)
  • AA: or shift the background to #333333 (4.67:1)
  • AAA: or shift the background to #0f0f0f (7.09:1)
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 #4db300 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 #4db300
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 #4db300 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4db300-abbea2-5a4edf-1f2d1f-f0f1e9?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