Color

#3f5c19

#3f5c19
hex#3f5c19
rgbrgb(63, 92, 25)
hslhsl(86, 57%, 23%)
oklchoklch(0.437 0.1 129.9)
Closest name: Greenhouse (#3e6334)Relative luminance 0.0878

Colors that go with #3f5c19

Sage Green, Taupe and Dark Orchid 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 →

#36195c

#5c5819 · #1e5c19

#193f5c · #5c193f

Split-complementary

Open in tool →

#191e5c · #58195c

#195c58 · #36195c · #5c191e

Contrast

#3f5c19 as textRatioAAAA largeAAAFix
Aaon white
7.62:1passpasspassPasses AAA — no fix needed.
Aaon black
2.76:1failfailfail
  • AA: use #588023 as the text (4.53:1)
  • AAA: use #70a42d as the text (7.04:1)
  • AA: or shift the background to #c7c7c7 (4.51:1)
  • AAA: or shift the background to #f7f7f7 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f5c19 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

#3f5c19 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3f5c19
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 #3f5c19 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f5c19-afbea2-4e56df-212d1f-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