Color

#8de41b

#8de41b
hex#8de41b
rgbrgb(141, 228, 27)
hslhsl(86, 79%, 50%)
oklchoklch(0.831 0.225 132.2)
Closest name: Becquerel (#4bec13)Relative luminance 0.6123

Tints & shades

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

Harmonies

Complementary

Open in tool →

#721be4

#e4d71b · #28e41b

#1b8de4 · #e41b8d

Split-complementary

Open in tool →

#1b28e4 · #d71be4

#1be4d7 · #721be4 · #e41b28

Contrast

#8de41b as textRatioAAAA largeAAAFix
Aaon white
1.59:1failfailfail
  • AA: use #4f800f as the text (4.74:1)
  • AAA: use #3b600b as the text (7.33:1)
  • AA: or shift the background to #575757 (4.56:1)
  • AAA: or shift the background to #3b3b3b (7.07:1)
Aaon black
13.25:1passpasspassPasses 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 #8de41b 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 #8de41b
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 #8de41b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/8de41b-afbea2-4e56df-212d1f-f1f1e9?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