Color

#a5d30d

#a5d30d
hex#a5d30d
rgbrgb(165, 211, 13)
hslhsl(74, 88%, 44%)
oklchoklch(0.805 0.198 124.1)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5462

Colors that go with #a5d30d

Taupe, Plum and Charcoal 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 →

#3c0dd3

#d39e0d · #42d30d

#0da5d3 · #d30da5

Split-complementary

Open in tool →

#0d42d3 · #9e0dd3

#0dd39e · #3c0dd3 · #d30d42

Contrast

#a5d30d as textRatioAAAA largeAAAFix
Aaon white
1.76:1failfailfail
  • AA: use #617d08 as the text (4.72:1)
  • AAA: use #4b6006 as the text (7.06:1)
  • AA: or shift the background to #4f4f4f (4.65:1)
  • AAA: or shift the background to #333333 (7.17:1)
Aaon black
11.92:1passpasspassPasses 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 #a5d30d 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 #a5d30d
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 #a5d30d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a5d30d-b4bea2-4e72df-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