Color

#0ffa3e

#0ffa3e
hex#0ffa3e
rgbrgb(15, 250, 62)
hslhsl(132, 96%, 52%)
oklchoklch(0.856 0.273 144.2)
Closest name: Cathode Green (#00ff55)Relative luminance 0.6882

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fa0fcb

#56fa0f · #0ffab4

#3e0ffa · #fa3e0f

Split-complementary

Open in tool →

#b40ffa · #fa0f56

#0f56fa · #fa0fcb · #fab40f

Contrast

#0ffa3e as textRatioAAAA largeAAAFix
Aaon white
1.42:1failfailfail
  • AA: use #03871d as the text (4.68:1)
  • AAA: use #026416 as the text (7.4:1)
  • AA: or shift the background to #5e5e5e (4.56:1)
  • AAA: or shift the background to #424242 (7.07:1)
Aaon black
14.76:1passpasspassPasses 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 #0ffa3e 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 #0ffa3e
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 #0ffa3e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0ffa3e-a2beab-b64edf-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