Color

#649c40

#649c40
hex#649c40
rgbrgb(100, 156, 64)
hslhsl(97, 42%, 43%)
oklchoklch(0.633 0.138 134.9)
Closest name: Bitter Leaf (#669841)Relative luminance 0.2686

Colors that go with #649c40

Charcoal, Blue and Crimson 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 →

#78409c

#919c40 · #409c4a

#40639c · #9c4063

Split-complementary

Open in tool →

#4a409c · #9c4091

#40919c · #78409c · #9c4a40

Contrast

#649c40 as textRatioAAAA largeAAAFix
Aaon white
3.3:1failpassfail
  • AA: use #538235 as the text (4.55:1)
  • AAA: use #3e6228 as the text (7.04:1)
  • AA: or shift the background to #262626 (4.59:1)
Aaon black
6.37:1passpassfail
  • AAA: use #6aa744 as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #649c40 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 #649c40
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 #649c40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/649c40-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