Color

#77ff0f

#77ff0f
hex#77ff0f
rgbrgb(119, 255, 15)
hslhsl(94, 100%, 53%)
oklchoklch(0.887 0.267 137)
Closest name: chartreuse (#7fff00)Relative luminance 0.7548

Tints & shades

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

Harmonies

Complementary

Open in tool →

#970fff

#efff0f · #0fff1f

#0f77ff · #ff0f77

Split-complementary

Open in tool →

#1f0fff · #ff0fef

#0fefff · #970fff · #ff1f0f

Contrast

#77ff0f as textRatioAAAA largeAAAFix
Aaon white
1.3:1failfailfail
  • AA: use #398500 as the text (4.64:1)
  • AAA: use #2a6100 as the text (7.48:1)
  • AA: or shift the background to #636363 (4.6:1)
  • AAA: or shift the background to #474747 (7.12:1)
Aaon black
16.1:1passpasspassPasses 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 #77ff0f 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 #77ff0f
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 #77ff0f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/77ff0f-abbea2-5a4edf-1f2d1f-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