Color

#289a28

#289a28
hex#289a28
rgbrgb(40, 154, 40)
hslhsl(120, 59%, 38%)
oklchoklch(0.602 0.181 142.9)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2372

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9a289a

#619a28 · #289a61

#28289a · #9a2828

Split-complementary

Open in tool →

#61289a · #9a2861

#28619a · #9a289a · #9a6128

Contrast

#289a28 as textRatioAAAA largeAAAFix
Aaon white
3.66:1failpassfail
  • AA: use #238623 as the text (4.66:1)
  • AAA: use #1a651a as the text (7.19:1)
  • AA: or shift the background to #1f1f1f (4.51:1)
Aaon black
5.74:1passpassfail
  • AAA: use #2dae2d as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #289a28 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 #289a28
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #289a28 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/289a28-a2bea5-994edf-1f2d25-edf1e9?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