Color

#429900

#429900
hex#429900
rgbrgb(66, 153, 0)
hslhsl(94, 100%, 30%)
oklchoklch(0.605 0.184 137.3)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2394

Colors that go with #429900

Crimson, Charcoal and Denim 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 →

#570099

#8f9900 · #00990a

#004299 · #990042

Split-complementary

Open in tool →

#0a0099 · #99008f

#008f99 · #570099 · #990a00

Contrast

#429900 as textRatioAAAA largeAAAFix
Aaon white
3.63:1failpassfail
  • AA: use #398500 as the text (4.64:1)
  • AAA: use #2a6100 as the text (7.48:1)
  • AA: or shift the background to #1f1f1f (4.54:1)
Aaon black
5.79:1passpassfail
  • AAA: use #4bad00 as the text (7.28:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #429900 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#429900 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #429900
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 #429900 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/429900-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