Color

#399f14

#399f14
hex#399f14
rgbrgb(57, 159, 20)
hslhsl(104, 78%, 35%)
oklchoklch(0.619 0.19 139.6)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2572

Colors that go with #399f14

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 →

#7a149f

#7e9f14 · #149f34

#14399f · #9f1439

Split-complementary

Open in tool →

#34149f · #9f147e

#147e9f · #7a149f · #9f3414

Contrast

#399f14 as textRatioAAAA largeAAAFix
Aaon white
3.42:1failpassfail
  • AA: use #318811 as the text (4.51:1)
  • AAA: use #24640c as the text (7.23:1)
  • AA: or shift the background to #242424 (4.54:1)
Aaon black
6.14:1passpassfail
  • AAA: use #3eac15 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #399f14 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 #399f14
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 #399f14 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/399f14-a6bea2-724edf-1f2d22-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