Color

#3c8f04

#3c8f04
hex#3c8f04
rgbrgb(60, 143, 4)
hslhsl(96, 95%, 29%)
oklchoklch(0.575 0.175 137.6)
Closest name: Emerald (#028f1e)Relative luminance 0.2061

Colors that go with #3c8f04

Crimson, Royal Blue and Charcoal 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 →

#580490

#829004 · #049012

#043c90 · #90043c

Split-complementary

Open in tool →

#120490 · #900482

#048290 · #580490 · #901204

Contrast

#3c8f04 as textRatioAAAA largeAAAFix
Aaon white
4.1:1failpassfail
  • AA: use #388603 as the text (4.59:1)
  • AAA: use #296303 as the text (7.29:1)
  • AA: or shift the background to #121212 (4.57:1)
Aaon black
5.12:1passpassfail
  • AAA: use #48ae04 as the text (7.33:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c8f04 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

#3c8f04 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3c8f04
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 #3c8f04 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c8f04-aabea2-5f4edf-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