Color

#347d21

#347d21
hex#347d21
rgbrgb(52, 125, 33)
hslhsl(108, 58%, 31%)
oklchoklch(0.524 0.145 139.9)
Closest name: green (#008000)Relative luminance 0.1551

Colors that go with #347d21

Charcoal, Crimson and Royal 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 →

#6b217d

#617d21 · #217d3d

#21347d · #7d2134

Split-complementary

Open in tool →

#3d217d · #7d2161

#21617d · #6b217d · #7d3d21

Contrast

#347d21 as textRatioAAAA largeAAAFix
Aaon white
5.12:1passpassfail
  • AAA: use #2a651b as the text (7.06:1)
Aaon black
4.1:1failpassfail
  • AA: use #378523 as the text (4.54:1)
  • AAA: use #47ad2e as the text (7.28:1)
  • AA: or shift the background to #f2f2f2 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #347d21 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 #347d21
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 #347d21 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/347d21-a4bea2-7c4edf-1f2d23-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