Color

#a7d309

#a7d309
hex#a7d309
rgbrgb(167, 211, 9)
hslhsl(73, 92%, 43%)
oklchoklch(0.806 0.198 123.5)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5482

Colors that go with #a7d309

Taupe, Plum and 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 →

#3409d3

#d39909 · #42d309

#09a7d3 · #d309a7

Split-complementary

Open in tool →

#0942d3 · #9909d3

#09d399 · #3409d3 · #d30942

Contrast

#a7d309 as textRatioAAAA largeAAAFix
Aaon white
1.76:1failfailfail
  • AA: use #657f05 as the text (4.57:1)
  • AAA: use #4a5d04 as the text (7.35:1)
  • AA: or shift the background to #4f4f4f (4.67:1)
  • AAA: or shift the background to #333333 (7.2:1)
Aaon black
11.96:1passpasspassPasses 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 #a7d309 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 #a7d309
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 #a7d309 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a7d309-b5bea2-4e75df-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