Color

#338f0f

#338f0f
hex#338f0f
rgbrgb(51, 143, 15)
hslhsl(103, 81%, 31%)
oklchoklch(0.573 0.176 139.5)
Closest name: Emerald (#028f1e)Relative luminance 0.2038

Colors that go with #338f0f

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 →

#6b0f8f

#738f0f · #0f8f2b

#0f338f · #8f0f33

Split-complementary

Open in tool →

#2b0f8f · #8f0f73

#0f738f · #6b0f8f · #8f2b0f

Contrast

#338f0f as textRatioAAAA largeAAAFix
Aaon white
4.14:1failpassfail
  • AA: use #30860e as the text (4.62:1)
  • AAA: use #24660b as the text (7.05:1)
  • AA: or shift the background to #121212 (4.53:1)
Aaon black
5.08:1passpassfail
  • AAA: use #3dab12 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #338f0f 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 #338f0f
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 #338f0f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/338f0f-a6bea2-704edf-1f2d21-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