Color

#a5fb2d

#a5fb2d
hex#a5fb2d
rgbrgb(165, 251, 45)
hslhsl(85, 96%, 58%)
oklchoklch(0.899 0.234 130.9)
Closest name: greenyellow (#adff2f)Relative luminance 0.7718

Colors that go with #a5fb2d

Violet, Blue 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 →

#832dfb

#fbea2d · #3efb2d

#2da5fb · #fb2da5

Split-complementary

Open in tool →

#2d3efb · #ea2dfb

#2dfbea · #832dfb · #fb2d3e

Contrast

#a5fb2d as textRatioAAAA largeAAAFix
Aaon white
1.28:1failfailfail
  • AA: use #4d8203 as the text (4.66:1)
  • AAA: use #385f02 as the text (7.48:1)
  • AA: or shift the background to #636363 (4.7:1)
  • AAA: or shift the background to #474747 (7.27:1)
Aaon black
16.44:1passpasspassPasses 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 #a5fb2d 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 #a5fb2d
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 #a5fb2d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a5fb2d-afbea2-4e58df-212d1f-f1f0e9?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