Color

#0dfd31

#0dfd31
hex#0dfd31
rgbrgb(13, 253, 49)
hslhsl(129, 98%, 52%)
oklchoklch(0.863 0.282 143.5)
Closest name: Cyber Neon Green (#00ff26)Relative luminance 0.7056

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fd0dd9

#61fd0d · #0dfda9

#310dfd · #fd310d

Split-complementary

Open in tool →

#a90dfd · #fd0d61

#0d61fd · #fd0dd9 · #fda90d

Contrast

#0dfd31 as textRatioAAAA largeAAAFix
Aaon white
1.39:1failfailfail
  • AA: use #018816 as the text (4.63:1)
  • AAA: use #016510 as the text (7.32:1)
  • AA: or shift the background to #5e5e5e (4.67:1)
  • AAA: or shift the background to #424242 (7.23:1)
Aaon black
15.11:1passpasspassPasses 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 #0dfd31 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 #0dfd31
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 #0dfd31 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0dfd31-a2bea9-ae4edf-1f2d27-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