Color

#447d21

#447d21
hex#447d21
rgbrgb(68, 125, 33)
hslhsl(97, 58%, 31%)
oklchoklch(0.531 0.137 136)
Closest name: Avocado (#568203)Relative luminance 0.1601

Colors that go with #447d21

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 →

#5a217d

#727d21 · #217d2c

#21447d · #7d2144

Split-complementary

Open in tool →

#2c217d · #7d2172

#21727d · #5a217d · #7d2c21

Contrast

#447d21 as textRatioAAAA largeAAAFix
Aaon white
5:1passpassfail
  • AAA: use #35611a as the text (7.3:1)
Aaon black
4.2:1failpassfail
  • AA: use #498523 as the text (4.66:1)
  • AAA: use #5da92d as the text (7.18:1)
  • AA: or shift the background to #f5f5f5 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #447d21 as the background.

Brands using this color

mcpConnect your agent — build around #447d21
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 #447d21 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/447d21-a9bea2-624edf-1f2d20-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