Color

#397a01

#397a01
hex#397a01
rgbrgb(57, 122, 1)
hslhsl(92, 98%, 24%)
oklchoklch(0.516 0.153 136.1)
Closest name: green (#008000)Relative luminance 0.1479

Colors that go with #397a01

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 →

#410179

#757901 · #017905

#013979 · #790139

Split-complementary

Open in tool →

#050179 · #790175

#017579 · #410179 · #790501

Contrast

#397a01 as textRatioAAAA largeAAAFix
Aaon white
5.31:1passpassfail
  • AAA: use #306501 as the text (7.03:1)
Aaon black
3.96:1failpassfail
  • AA: use #408801 as the text (4.74:1)
  • AAA: use #51ac02 as the text (7.25:1)
  • AA: or shift the background to #ededed (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 #397a01 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

#397a01 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #397a01
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 #397a01 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/397a01-acbea2-564edf-202d1f-f1f1e9?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