Color

#307b0a

#307b0a
hex#307b0a
rgbrgb(48, 123, 10)
hslhsl(100, 85%, 26%)
oklchoklch(0.515 0.156 138.5)
Closest name: green (#008000)Relative luminance 0.1482

Colors that go with #307b0a

Charcoal, Crimson and Royal Blue 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 →

#550a7b

#687b0a · #0a7b1d

#0a307b · #7b0a30

Split-complementary

Open in tool →

#1d0a7b · #7b0a68

#0a687b · #550a7b · #7b1d0a

Contrast

#307b0a as textRatioAAAA largeAAAFix
Aaon white
5.3:1passpassfail
  • AAA: use #266308 as the text (7.32:1)
Aaon black
3.96:1failpassfail
  • AA: use #35890b as the text (4.73:1)
  • AAA: use #44af0e as the text (7.38:1)
  • AA: or shift the background to #ededed (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #307b0a as the background.

Brands using this color

Fonts for this mood

#307b0a reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #307b0a
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 #307b0a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/307b0a-a8bea2-694edf-1f2d21-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