Color

#397b0a

#397b0a
hex#397b0a
rgbrgb(57, 123, 10)
hslhsl(95, 85%, 26%)
oklchoklch(0.519 0.152 136.7)
Closest name: green (#008000)Relative luminance 0.1506

Colors that go with #397b0a

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 →

#4c0a7b

#717b0a · #0a7b13

#0a397b · #7b0a39

Split-complementary

Open in tool →

#130a7b · #7b0a71

#0a717b · #4c0a7b · #7b130a

Contrast

#397b0a as textRatioAAAA largeAAAFix
Aaon white
5.23:1passpassfail
  • AAA: use #2e6308 as the text (7.23:1)
Aaon black
4.01:1failpassfail
  • AA: use #3d840b as the text (4.5:1)
  • AAA: use #4faa0e as the text (7.09:1)
  • AA: or shift the background to #f0f0f0 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #397b0a 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

#397b0a reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #397b0a
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 #397b0a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/397b0a-aabea2-5d4edf-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