Color

#6dc403

#6dc403
hex#6dc403
rgbrgb(109, 196, 3)
hslhsl(87, 97%, 39%)
oklchoklch(0.736 0.211 134)
Closest name: Blinking Terminal (#66cc00)Relative luminance 0.4274

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5a03c4

#c4ba03 · #0dc403

#036dc4 · #c4036d

Split-complementary

Open in tool →

#030dc4 · #ba03c4

#03c4ba · #5a03c4 · #c4030d

Contrast

#6dc403 as textRatioAAAA largeAAAFix
Aaon white
2.2:1failfailfail
  • AA: use #498302 as the text (4.64:1)
  • AAA: use #386402 as the text (7.02:1)
  • AA: or shift the background to #424242 (4.57:1)
  • AAA: or shift the background to #242424 (7.06:1)
Aaon black
9.55:1passpasspassPasses 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 #6dc403 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 #6dc403
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 #6dc403 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6dc403-aebea2-4e53df-212d1f-f1f1e9?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