Color

#a5d52a

#a5d52a
hex#a5d52a
rgbrgb(165, 213, 42)
hslhsl(77, 67%, 50%)
oklchoklch(0.81 0.192 125)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5575

Colors that go with #a5d52a

Blue, Deep Sky Blue and Taupe 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 →

#5a2ad5

#d5b02a · #4fd52a

#2aa5d5 · #d52aa5

Split-complementary

Open in tool →

#2a4fd5 · #b02ad5

#2ad5b0 · #5a2ad5 · #d52a4f

Contrast

#a5d52a as textRatioAAAA largeAAAFix
Aaon white
1.73:1failfailfail
  • AA: use #638019 as the text (4.53:1)
  • AAA: use #485e13 as the text (7.28:1)
  • AA: or shift the background to #525252 (4.52:1)
  • AAA: or shift the background to #333333 (7.31:1)
Aaon black
12.15:1passpasspassPasses 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 #a5d52a 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 #a5d52a
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 #a5d52a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a5d52a-b3bea2-4e6bdf-232d1f-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