Color

#689b03

#689b03
hex#689b03
rgbrgb(104, 155, 3)
hslhsl(80, 96%, 31%)
oklchoklch(0.629 0.167 129.3)
Closest name: Bitter Leaf (#669841)Relative luminance 0.2639

Colors that go with #689b03

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 →

#36039b

#9b8203 · #1c9b03

#03689b · #9b0368

Split-complementary

Open in tool →

#031c9b · #82039b

#039b82 · #36039b · #9b031c

Contrast

#689b03 as textRatioAAAA largeAAAFix
Aaon white
3.34:1failpassfail
  • AA: use #588203 as the text (4.56:1)
  • AAA: use #405f02 as the text (7.35:1)
  • AA: or shift the background to #262626 (4.52:1)
Aaon black
6.28:1passpassfail
  • AAA: use #6fa503 as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #689b03 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 #689b03
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 #689b03 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/689b03-b1bea2-4e64df-232d1f-f1f0e9?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