Color

#3f830c

#3f830c
hex#3f830c
rgbrgb(63, 131, 12)
hslhsl(94, 83%, 28%)
oklchoklch(0.544 0.158 136.3)
Closest name: Avocado (#568203)Relative luminance 0.1732

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4f0c83

#7b830c · #0c8314

#0c3f83 · #830c3f

Split-complementary

Open in tool →

#140c83 · #830c7b

#0c7b83 · #4f0c83 · #83140c

Contrast

#3f830c as textRatioAAAA largeAAAFix
Aaon white
4.71:1passpassfail
  • AAA: use #306209 as the text (7.3:1)
Aaon black
4.46:1failpassfail
  • AA: use #42870d as the text (4.7:1)
  • AAA: use #54ad10 as the text (7.36:1)
  • AA: or shift the background to #fafafa (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f830c 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

#3f830c reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3f830c
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 #3f830c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f830c-abbea2-5a4edf-1f2d1f-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