Color

#67f221

#67f221
hex#67f221
rgbrgb(103, 242, 33)
hslhsl(100, 89%, 54%)
oklchoklch(0.85 0.256 138.4)
Closest name: Becquerel (#4bec13)Relative luminance 0.665

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ac21f2

#cff221 · #21f244

#2167f2 · #f22167

Split-complementary

Open in tool →

#4421f2 · #f221cf

#21cff2 · #ac21f2 · #f24421

Contrast

#67f221 as textRatioAAAA largeAAAFix
Aaon white
1.47:1failfailfail
  • AA: use #328708 as the text (4.56:1)
  • AAA: use #266506 as the text (7.13:1)
  • AA: or shift the background to #5c5c5c (4.55:1)
  • AAA: or shift the background to #404040 (7.06:1)
Aaon black
14.3:1passpasspassPasses 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 #67f221 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 #67f221
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 #67f221 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/67f221-a8bea2-694edf-1f2d21-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