Color

#75ff1f

#75ff1f
hex#75ff1f
rgbrgb(117, 255, 31)
hslhsl(97, 100%, 56%)
oklchoklch(0.887 0.264 137.5)
Closest name: chartreuse (#7fff00)Relative luminance 0.754

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a91fff

#e5ff1f · #1fff39

#1f75ff · #ff1f75

Split-complementary

Open in tool →

#391fff · #ff1fe5

#1fe5ff · #a91fff · #ff391f

Contrast

#75ff1f as textRatioAAAA largeAAAFix
Aaon white
1.31:1failfailfail
  • AA: use #338500 as the text (4.67:1)
  • AAA: use #276600 as the text (7.03:1)
  • AA: or shift the background to #636363 (4.6:1)
  • AAA: or shift the background to #474747 (7.11:1)
Aaon black
16.08:1passpasspassPasses 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 #75ff1f 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 #75ff1f
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 #75ff1f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/75ff1f-a9bea2-624edf-1f2d20-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