Color

#71d421

#71d421
hex#71d421
rgbrgb(113, 212, 33)
hslhsl(93, 73%, 48%)
oklchoklch(0.779 0.22 135.5)
Closest name: Blinking Terminal (#66cc00)Relative luminance 0.5071

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8321d4

#cbd421 · #21d42a

#2171d4 · #d42171

Split-complementary

Open in tool →

#2a21d4 · #d421cb

#21cbd4 · #8321d4 · #d42a21

Contrast

#71d421 as textRatioAAAA largeAAAFix
Aaon white
1.88:1failfailfail
  • AA: use #478415 as the text (4.59:1)
  • AAA: use #34610f as the text (7.34:1)
  • AA: or shift the background to #4a4a4a (4.7:1)
  • AAA: or shift the background to #303030 (7:1)
Aaon black
11.14:1passpasspassPasses 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 #71d421 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 #71d421
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 #71d421 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/71d421-abbea2-584edf-202d1f-f0f1e9?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