Color

#1ca021

#1ca021
hex#1ca021
rgbrgb(28, 160, 33)
hslhsl(122, 70%, 37%)
oklchoklch(0.615 0.194 143.1)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.255

Colors that go with #1ca021

Charcoal, Blue and Crimson 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 →

#a01c9c

#5aa01c · #1ca063

#211ca0 · #a0211c

Split-complementary

Open in tool →

#631ca0 · #a01c5a

#1c5aa0 · #a01c9c · #a0631c

Contrast

#1ca021 as textRatioAAAA largeAAAFix
Aaon white
3.44:1failpassfail
  • AA: use #18861b as the text (4.7:1)
  • AAA: use #126414 as the text (7.35:1)
  • AA: or shift the background to #242424 (4.51:1)
Aaon black
6.1:1passpassfail
  • AAA: use #1fad23 as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1ca021 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 #1ca021
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 #1ca021 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1ca021-a2bea6-9e4edf-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