Color

#1ff45f

#1ff45f
hex#1ff45f
rgbrgb(31, 244, 95)
hslhsl(138, 91%, 54%)
oklchoklch(0.845 0.246 146.9)
Closest name: Cathode Green (#00ff55)Relative luminance 0.6582

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f41fb4

#4af41f · #1ff4ca

#5f1ff4 · #f45f1f

Split-complementary

Open in tool →

#ca1ff4 · #f41f4a

#1f4af4 · #f41fb4 · #f4ca1f

Contrast

#1ff45f as textRatioAAAA largeAAAFix
Aaon white
1.48:1failfailfail
  • AA: use #06882d as the text (4.6:1)
  • AAA: use #056622 as the text (7.17:1)
  • AA: or shift the background to #5c5c5c (4.51:1)
  • AAA: or shift the background to #3d3d3d (7.33:1)
Aaon black
14.16:1passpasspassPasses 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 #1ff45f 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 #1ff45f
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 #1ff45f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1ff45f-a2beae-be59d4-1f2d29-ebf1e9?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