Color

#397c13

#397c13
hex#397c13
rgbrgb(57, 124, 19)
hslhsl(98, 73%, 28%)
oklchoklch(0.522 0.15 137.3)
Closest name: green (#008000)Relative luminance 0.1533

Colors that go with #397c13

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 →

#55137c

#6e7c13 · #137c21

#133a7c · #7c133a

Split-complementary

Open in tool →

#21137c · #7c136e

#136e7c · #55137c · #7c2113

Contrast

#397c13 as textRatioAAAA largeAAAFix
Aaon white
5.16:1passpassfail
  • AAA: use #2f6510 as the text (7.02:1)
Aaon black
4.07:1failpassfail
  • AA: use #3e8415 as the text (4.52:1)
  • AAA: use #50ac1b as the text (7.26:1)
  • AA: or shift the background to #f0f0f0 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #397c13 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

#397c13 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #397c13
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 #397c13 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/397c13-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