Color

#8cd421

#8cd421
hex#8cd421
rgbrgb(140, 212, 33)
hslhsl(84, 73%, 48%)
oklchoklch(0.792 0.206 130.6)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5277

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6921d4

#d4c221 · #33d421

#218cd4 · #d4218c

Split-complementary

Open in tool →

#2133d4 · #c221d4

#21d4c2 · #6921d4 · #d42133

Contrast

#8cd421 as textRatioAAAA largeAAAFix
Aaon white
1.82:1failfailfail
  • AA: use #558014 as the text (4.68:1)
  • AAA: use #40610f as the text (7.16:1)
  • AA: or shift the background to #4f4f4f (4.51:1)
  • AAA: or shift the background to #303030 (7.26:1)
Aaon black
11.55:1passpasspassPasses 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 #8cd421 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 #8cd421
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 #8cd421 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/8cd421-afbea2-4e5adf-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