Color

#a5ce03

#a5ce03
hex#a5ce03
rgbrgb(165, 206, 3)
hslhsl(72, 97%, 41%)
oklchoklch(0.793 0.194 122.9)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5215

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2c03ce

#ce9103 · #40ce03

#03a5ce · #ce03a5

Split-complementary

Open in tool →

#0340ce · #9103ce

#03ce91 · #2c03ce · #ce0340

Contrast

#a5ce03 as textRatioAAAA largeAAAFix
Aaon white
1.84:1failfailfail
  • AA: use #657e02 as the text (4.63:1)
  • AAA: use #4d5f01 as the text (7.11:1)
  • AA: or shift the background to #4d4d4d (4.6:1)
  • AAA: or shift the background to #303030 (7.18:1)
Aaon black
11.43:1passpasspassPasses 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 #a5ce03 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 #a5ce03
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 #a5ce03 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a5ce03-b5bea2-4e77df-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