Color

#39f953

#39f953
hex#39f953
rgbrgb(57, 249, 83)
hslhsl(128, 94%, 60%)
oklchoklch(0.859 0.255 144.6)
Closest name: Cathode Green (#00ff55)Relative luminance 0.6925

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f939df

#7ff939 · #39f9b3

#5339f9 · #f95339

Split-complementary

Open in tool →

#b339f9 · #f9397f

#397ff9 · #f939df · #f9b339

Contrast

#39f953 as textRatioAAAA largeAAAFix
Aaon white
1.41:1failfailfail
  • AA: use #048615 as the text (4.74:1)
  • AAA: use #036811 as the text (7.02:1)
  • AA: or shift the background to #5e5e5e (4.58:1)
  • AAA: or shift the background to #424242 (7.11:1)
Aaon black
14.85:1passpasspassPasses 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 #39f953 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 #39f953
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 #39f953 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39f953-a2bea9-ac4edf-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