Color

#0ca123

#0ca123
hex#0ca123
rgbrgb(12, 161, 35)
hslhsl(129, 86%, 34%)
oklchoklch(0.616 0.197 143.9)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2569

Colors that go with #0ca123

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 →

#a10c8b

#40a10c · #0ca16d

#230ca1 · #a1230c

Split-complementary

Open in tool →

#6d0ca1 · #a10c40

#0c40a1 · #a10c8b · #a16d0c

Contrast

#0ca123 as textRatioAAAA largeAAAFix
Aaon white
3.42:1failpassfail
  • AA: use #0a8a1d as the text (4.5:1)
  • AAA: use #076415 as the text (7.39:1)
  • AA: or shift the background to #242424 (4.54:1)
Aaon black
6.14:1passpassfail
  • AAA: use #0daf26 as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0ca123 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 #0ca123
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 #0ca123 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0ca123-a2bea9-ae4edf-1f2d27-ecf1e9?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