Color

#0def01

#0def01
hex#0def01
rgbrgb(13, 239, 1)
hslhsl(117, 99%, 47%)
oklchoklch(0.825 0.28 142.4)
Closest name: Becquerel (#4bec13)Relative luminance 0.6182

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e301ef

#84ef01 · #01ef6c

#010def · #ef010d

Split-complementary

Open in tool →

#6c01ef · #ef0184

#0184ef · #e301ef · #ef6c01

Contrast

#0def01 as textRatioAAAA largeAAAFix
Aaon white
1.57:1failfailfail
  • AA: use #088901 as the text (4.58:1)
  • AAA: use #066501 as the text (7.32:1)
  • AA: or shift the background to #575757 (4.6:1)
  • AAA: or shift the background to #3b3b3b (7.13:1)
Aaon black
13.36:1passpasspassPasses 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 #0def01 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 #0def01
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 #0def01 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0def01-a2bea4-924edf-1f2d25-edf1e9?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