Color

#1aa221

#1aa221
hex#1aa221
rgbrgb(26, 162, 33)
hslhsl(123, 72%, 37%)
oklchoklch(0.621 0.197 143.2)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2617

Colors that go with #1aa221

Blue, Dodger Blue and Royal Blue 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 →

#a21a9b

#58a21a · #1aa265

#211aa2 · #a2211a

Split-complementary

Open in tool →

#651aa2 · #a21a58

#1a58a2 · #a21a9b · #a2651a

Contrast

#1aa221 as textRatioAAAA largeAAAFix
Aaon white
3.37:1failpassfail
  • AA: use #16881c as the text (4.59:1)
  • AAA: use #106515 as the text (7.26:1)
  • AA: or shift the background to #242424 (4.61:1)
Aaon black
6.23:1passpassfail
  • AAA: use #1daf24 as the text (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1aa221 as the background.

Brands using this color

mcpConnect your agent — build around #1aa221
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 #1aa221 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1aa221-a2bea6-a04edf-1f2d26-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