Color

#80e41b

#80e41b
hex#80e41b
rgbrgb(128, 228, 27)
hslhsl(90, 79%, 50%)
oklchoklch(0.825 0.232 134.3)
Closest name: Becquerel (#4bec13)Relative luminance 0.6016

Tints & shades

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

Harmonies

Complementary

Open in tool →

#801be4

#e4e41b · #1be41b

#1b80e4 · #e41b80

Split-complementary

Open in tool →

#1b1be4 · #e41be4

#1be4e4 · #801be4 · #e41b1b

Contrast

#80e41b as textRatioAAAA largeAAAFix
Aaon white
1.61:1failfailfail
  • AA: use #4a8410 as the text (4.57:1)
  • AAA: use #38640c as the text (7.01:1)
  • AA: or shift the background to #545454 (4.7:1)
  • AAA: or shift the background to #383838 (7.28:1)
Aaon black
13.03:1passpasspassPasses 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 #80e41b 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 #80e41b
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 #80e41b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/80e41b-adbea2-514edf-202d1f-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