Color

#429d1b

#429d1b
hex#429d1b
rgbrgb(66, 157, 27)
hslhsl(102, 71%, 36%)
oklchoklch(0.617 0.181 138.7)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2535

Colors that go with #429d1b

Charcoal, Crimson and Blue 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 →

#761b9d

#839d1b · #1b9d35

#1b429d · #9d1b42

Split-complementary

Open in tool →

#351b9d · #9d1b83

#1b839d · #761b9d · #9d351b

Contrast

#429d1b as textRatioAAAA largeAAAFix
Aaon white
3.46:1failpassfail
  • AA: use #398717 as the text (4.51:1)
  • AAA: use #2a6411 as the text (7.17:1)
  • AA: or shift the background to #212121 (4.65:1)
Aaon black
6.07:1passpassfail
  • AAA: use #47aa1d as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #429d1b 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 #429d1b
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 #429d1b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/429d1b-a7bea2-6e4edf-1f2d21-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