Color

#299121

#299121
hex#299121
rgbrgb(41, 145, 33)
hslhsl(116, 63%, 35%)
oklchoklch(0.576 0.174 142.1)
Closest name: Emerald (#028f1e)Relative luminance 0.2083

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8a2191

#619121 · #219152

#212991 · #912129

Split-complementary

Open in tool →

#522191 · #912161

#216191 · #8a2191 · #915221

Contrast

#299121 as textRatioAAAA largeAAAFix
Aaon white
4.06:1failpassfail
  • AA: use #25851e as the text (4.72:1)
  • AAA: use #1c6417 as the text (7.28:1)
  • AA: or shift the background to #141414 (4.53:1)
Aaon black
5.17:1passpassfail
  • AAA: use #31af28 as the text (7.29:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #299121 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 #299121
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 #299121 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/299121-a2bea3-8f4edf-1f2d24-eef1e9?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