Color

#1cfd45

#1cfd45
hex#1cfd45
rgbrgb(28, 253, 69)
hslhsl(131, 98%, 55%)
oklchoklch(0.865 0.272 144.4)
Closest name: Cathode Green (#00ff55)Relative luminance 0.7093

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fd1cd3

#63fd1c · #1cfdb5

#451cfd · #fd451c

Split-complementary

Open in tool →

#b51cfd · #fd1c63

#1c63fd · #fd1cd3 · #fdb51c

Contrast

#1cfd45 as textRatioAAAA largeAAAFix
Aaon white
1.38:1failfailfail
  • AA: use #01881a as the text (4.63:1)
  • AAA: use #016513 as the text (7.31:1)
  • AA: or shift the background to #5e5e5e (4.69:1)
  • AAA: or shift the background to #424242 (7.27:1)
Aaon black
15.19:1passpasspassPasses 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 #1cfd45 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 #1cfd45
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 #1cfd45 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1cfd45-a2beaa-b34edf-1f2d28-ecf1e9?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