Color

#1ca90a

#1ca90a
hex#1ca90a
rgbrgb(28, 169, 10)
hslhsl(113, 89%, 35%)
oklchoklch(0.639 0.211 141.9)
Closest name: Always Greener Grass (#11aa00)Relative luminance 0.2864

Colors that go with #1ca90a

Blue, Dodger Blue and Taupe 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 →

#960aa9

#6ca90a · #0aa947

#0a1ca9 · #a90a1c

Split-complementary

Open in tool →

#470aa9 · #a90a6c

#0a6ca9 · #960aa9 · #a9470a

Contrast

#1ca90a as textRatioAAAA largeAAAFix
Aaon white
3.12:1failpassfail
  • AA: use #178708 as the text (4.66:1)
  • AAA: use #116506 as the text (7.27:1)
  • AA: or shift the background to #2b2b2b (4.54:1)
Aaon black
6.73:1passpassfail
  • AAA: use #1dae0a as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1ca90a as the background.

Brands using this color

mcpConnect your agent — build around #1ca90a
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 #1ca90a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1ca90a-a2bea2-884edf-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