Color

#4db11b

#4db11b
hex#4db11b
rgbrgb(77, 177, 27)
hslhsl(100, 74%, 40%)
oklchoklch(0.674 0.199 138.2)
Closest name: Botanical Garden (#44aa11)Relative luminance 0.331

Colors that go with #4db11b

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 →

#7f1bb1

#98b11b · #1bb134

#1b4db1 · #b11b4d

Split-complementary

Open in tool →

#341bb1 · #b11b98

#1b98b1 · #7f1bb1 · #b1341b

Contrast

#4db11b as textRatioAAAA largeAAAFix
Aaon white
2.76:1failfailfail
  • AA: use #3a8514 as the text (4.62:1)
  • AAA: use #2a620f as the text (7.36:1)
  • AA: or shift the background to #333333 (4.58:1)
  • AAA: or shift the background to #0d0d0d (7.05:1)
Aaon black
7.62:1passpasspassPasses 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 #4db11b 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 #4db11b
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 #4db11b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4db11b-a8bea2-694edf-1f2d21-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