Color

#337f1a

#337f1a
hex#337f1a
rgbrgb(51, 127, 26)
hslhsl(105, 66%, 30%)
oklchoklch(0.528 0.153 139.4)
Closest name: green (#008000)Relative luminance 0.1596

Colors that go with #337f1a

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 →

#661a7f

#667f1a · #1a7f33

#1a337f · #7f1a33

Split-complementary

Open in tool →

#331a7f · #7f1a66

#1a667f · #661a7f · #7f331a

Contrast

#337f1a as textRatioAAAA largeAAAFix
Aaon white
5.01:1passpassfail
  • AAA: use #276114 as the text (7.48:1)
Aaon black
4.19:1failpassfail
  • AA: use #37871c as the text (4.64:1)
  • AAA: use #46ae24 as the text (7.34:1)
  • AA: or shift the background to #f5f5f5 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #337f1a as the background.

Brands using this color

Fonts for this mood

#337f1a reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #337f1a
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 #337f1a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/337f1a-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