Color

#899d1b

#899d1b
hex#899d1b
rgbrgb(137, 157, 27)
hslhsl(69, 71%, 36%)
oklchoklch(0.658 0.146 118.7)
Closest name: Densetsu Green (#889911)Relative luminance 0.2951

Colors that go with #899d1b

Medium Purple, Blue and Charcoal 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 →

#2e1b9d

#9d6f1b · #489d1b

#1b899d · #9d1b89

Split-complementary

Open in tool →

#1b489d · #6f1b9d

#1b9d6f · #2e1b9d · #9d1b48

Contrast

#899d1b as textRatioAAAA largeAAAFix
Aaon white
3.04:1failpassfail
  • AA: use #6b7a15 as the text (4.75:1)
  • AAA: use #505c10 as the text (7.29:1)
  • AA: or shift the background to #2b2b2b (4.65:1)
Aaon black
6.9:1passpassfail
  • AAA: use #8da11b as the text (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #899d1b 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 #899d1b
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 #899d1b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/899d1b-b7bea2-4e7edf-252d1f-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