Color

#308f00

#308f00
hex#308f00
rgbrgb(48, 143, 0)
hslhsl(100, 100%, 28%)
oklchoklch(0.571 0.181 139.3)
Closest name: Emerald (#028f1e)Relative luminance 0.2027

Colors that go with #308f00

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 →

#5f008f

#778f00 · #008f18

#00308f · #8f0030

Split-complementary

Open in tool →

#18008f · #8f0077

#00778f · #5f008f · #8f1800

Contrast

#308f00 as textRatioAAAA largeAAAFix
Aaon white
4.15:1failpassfail
  • AA: use #2c8500 as the text (4.71:1)
  • AAA: use #226600 as the text (7.07:1)
  • AA: or shift the background to #121212 (4.51:1)
Aaon black
5.05:1passpassfail
  • AAA: use #3aad00 as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #308f00 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

#308f00 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #308f00
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 #308f00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/308f00-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