Color

#3f751f

#3f751f
hex#3f751f
rgbrgb(63, 117, 31)
hslhsl(98, 58%, 29%)
oklchoklch(0.506 0.13 136.2)
Closest name: Forest Empress (#3d7016)Relative luminance 0.1388

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#551f75

#69751f · #1f752a

#1f3f75 · #751f3f

Split-complementary

Open in tool →

#2a1f75 · #751f69

#1f6975 · #551f75 · #752a1f

Contrast

#3f751f as textRatioAAAA largeAAAFix
Aaon white
5.56:1passpassfail
  • AAA: use #34611a as the text (7.32:1)
Aaon black
3.78:1failpassfail
  • AA: use #478523 as the text (4.65:1)
  • AAA: use #5ba92d as the text (7.16:1)
  • AA: or shift the background to #e8e8e8 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f751f 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

#3f751f reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3f751f
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3f751f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f751f-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