Color

#71b503

#71b503
hex#71b503
rgbrgb(113, 181, 3)
hslhsl(83, 97%, 36%)
oklchoklch(0.7 0.192 131.4)
Closest name: Extra Life (#6ab417)Relative luminance 0.3657

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4703b5

#b5a003 · #18b503

#0371b5 · #b50371

Split-complementary

Open in tool →

#0318b5 · #a003b5

#03b5a0 · #4703b5 · #b50318

Contrast

#71b503 as textRatioAAAA largeAAAFix
Aaon white
2.53:1failfailfail
  • AA: use #518302 as the text (4.57:1)
  • AAA: use #3b5f01 as the text (7.44:1)
  • AA: or shift the background to #383838 (4.64:1)
  • AAA: or shift the background to #171717 (7.1:1)
Aaon black
8.31:1passpasspassPasses 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 #71b503 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 #71b503
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 #71b503 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/71b503-b0bea2-4e5ddf-222d1f-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