Color

#a5ff3d

#a5ff3d
hex#a5ff3d
rgbrgb(165, 255, 61)
hslhsl(88, 100%, 62%)
oklchoklch(0.909 0.231 131.9)
Closest name: greenyellow (#adff2f)Relative luminance 0.7986

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#983dff

#fff93d · #44ff3d

#3da5ff · #ff3da5

Split-complementary

Open in tool →

#3d44ff · #f93dff

#3dfff9 · #983dff · #ff3d44

Contrast

#a5ff3d as textRatioAAAA largeAAAFix
Aaon white
1.24:1failfailfail
  • AA: use #478500 as the text (4.54:1)
  • AAA: use #346100 as the text (7.35:1)
  • AA: or shift the background to #666666 (4.64:1)
  • AAA: or shift the background to #4a4a4a (7.16:1)
Aaon black
16.97:1passpasspassPasses 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 #a5ff3d 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 #a5ff3d
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #a5ff3d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a5ff3d-aebea2-4e51df-212d1f-f1f1e9?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