Color

#1cfc03

#1cfc03
hex#1cfc03
rgbrgb(28, 252, 3)
hslhsl(114, 98%, 50%)
oklchoklch(0.86 0.29 142.2)
Closest name: Alien Abduction (#0cff0c)Relative luminance 0.6987

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e303fc

#98fc03 · #03fc67

#031cfc · #fc031c

Split-complementary

Open in tool →

#6703fc · #fc0398

#0398fc · #e303fc · #fc6703

Contrast

#1cfc03 as textRatioAAAA largeAAAFix
Aaon white
1.4:1failfailfail
  • AA: use #0f8801 as the text (4.62:1)
  • AAA: use #0b6501 as the text (7.3:1)
  • AA: or shift the background to #5e5e5e (4.62:1)
  • AAA: or shift the background to #424242 (7.17:1)
Aaon black
14.97:1passpasspassPasses 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 #1cfc03 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 #1cfc03
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 #1cfc03 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1cfc03-a2bea2-8a4edf-1f2d24-eef1e9?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