Color

#a0c021

#a0c021
hex#a0c021
rgbrgb(160, 192, 33)
hslhsl(72, 71%, 44%)
oklchoklch(0.758 0.174 121.3)
Closest name: Citrus (#9fb70a)Relative luminance 0.4528

Colors that go with #a0c021

Blue, Taupe and Plum 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 →

#4021c0

#c09021 · #50c021

#21a0c0 · #c021a0

Split-complementary

Open in tool →

#2150c0 · #9021c0

#21c090 · #4021c0 · #c02150

Contrast

#a0c021 as textRatioAAAA largeAAAFix
Aaon white
2.09:1failfailfail
  • AA: use #697e15 as the text (4.57:1)
  • AAA: use #4c5c10 as the text (7.38:1)
  • AA: or shift the background to #454545 (4.59:1)
  • AAA: or shift the background to #262626 (7.25:1)
Aaon black
10.06:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a0c021 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 #a0c021
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 #a0c021 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a0c021-b5bea2-4e77df-242d1f-f1efe9?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