Color

#397d12

#397d12
hex#397d12
rgbrgb(57, 125, 18)
hslhsl(98, 75%, 28%)
oklchoklch(0.525 0.151 137.4)
Closest name: green (#008000)Relative luminance 0.1558

Colors that go with #397d12

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 →

#56127d

#6f7d12 · #127d20

#12397d · #7d1239

Split-complementary

Open in tool →

#20127d · #7d126f

#126f7d · #56127d · #7d2012

Contrast

#397d12 as textRatioAAAA largeAAAFix
Aaon white
5.1:1passpassfail
  • AAA: use #2d620e as the text (7.33:1)
Aaon black
4.12:1failpassfail
  • AA: use #3d8613 as the text (4.62:1)
  • AAA: use #4eaa18 as the text (7.09:1)
  • AA: or shift the background to #f2f2f2 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #397d12 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

#397d12 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #397d12
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 #397d12 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/397d12-a9bea2-644edf-1f2d20-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