Color

#3a8301

#3a8301
hex#3a8301
rgbrgb(58, 131, 1)
hslhsl(94, 98%, 26%)
oklchoklch(0.541 0.163 136.9)
Closest name: Green Bell Pepper (#228800)Relative luminance 0.1713

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4b0183

#7b8301 · #01830a

#013a83 · #83013a

Split-complementary

Open in tool →

#0a0183 · #83017b

#017b83 · #4b0183 · #830a01

Contrast

#3a8301 as textRatioAAAA largeAAAFix
Aaon white
4.74:1passpassfail
  • AAA: use #2c6501 as the text (7.07:1)
Aaon black
4.43:1failpassfail
  • AA: use #3c8801 as the text (4.71:1)
  • AAA: use #4bac02 as the text (7.2:1)
  • AA: or shift the background to #fafafa (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 #3a8301 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

#3a8301 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a8301
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 #3a8301 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a8301-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