Color

#646d22

#646d22
hex#646d22
rgbrgb(100, 109, 34)
hslhsl(67, 52%, 28%)
oklchoklch(0.511 0.098 115.8)
Closest name: darkolivegreen (#556b2f)Relative luminance 0.1376

Colors that go with #646d22

Charcoal, Royal Blue and Blue Violet 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.

Real palettes that use #646d22

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#2b226d

#6d5022 · #3f6d22

#22646d · #6d2264

Split-complementary

Open in tool →

#223f6d · #50226d

#226d50 · #2b226d · #6d223f

Contrast

#646d22 as textRatioAAAA largeAAAFix
Aaon white
5.6:1passpassfail
  • AAA: use #565d1d as the text (7.05:1)
Aaon black
3.75:1failpassfail
  • AA: use #727c27 as the text (4.63:1)
  • AAA: use #929f32 as the text (7.23:1)
  • AA: or shift the background to #e8e8e8 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #646d22 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#646d22 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #646d22
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 #646d22 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/646d22-b8bea2-4e83df-262d1f-f1eee9?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