Color

#399216

#399216
hex#399216
rgbrgb(57, 146, 22)
hslhsl(103, 74%, 33%)
oklchoklch(0.583 0.174 139.1)
Closest name: Emerald (#028f1e)Relative luminance 0.2149

Colors that go with #399216

Crimson, Royal Blue and Charcoal 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 →

#6f1692

#779216 · #169231

#163992 · #921639

Split-complementary

Open in tool →

#311692 · #921677

#167792 · #6f1692 · #923116

Contrast

#399216 as textRatioAAAA largeAAAFix
Aaon white
3.96:1failpassfail
  • AA: use #348514 as the text (4.66:1)
  • AAA: use #28660f as the text (7.01:1)
  • AA: or shift the background to #171717 (4.52:1)
Aaon black
5.3:1passpassfail
  • AAA: use #44ad1a as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #399216 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 #399216
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 #399216 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/399216-a6bea2-704edf-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