Color

#309d0c

#309d0c
hex#309d0c
rgbrgb(48, 157, 12)
hslhsl(105, 86%, 33%)
oklchoklch(0.61 0.193 140.2)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2477

Colors that go with #309d0c

Charcoal, Crimson and Denim 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 →

#780c9d

#789d0c · #0c9d30

#0c309d · #9d0c30

Split-complementary

Open in tool →

#300c9d · #9d0c78

#0c789d · #780c9d · #9d300c

Contrast

#309d0c as textRatioAAAA largeAAAFix
Aaon white
3.53:1failpassfail
  • AA: use #29850a as the text (4.72:1)
  • AAA: use #1f6407 as the text (7.28:1)
  • AA: or shift the background to #212121 (4.57:1)
Aaon black
5.95:1passpassfail
  • AAA: use #36af0d as the text (7.29:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #309d0c as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #309d0c
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 #309d0c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/309d0c-a6bea2-754edf-1f2d22-eff1e9?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