Color

#53fa3d

#53fa3d
hex#53fa3d
rgbrgb(83, 250, 61)
hslhsl(113, 95%, 61%)
oklchoklch(0.866 0.261 141.5)
Closest name: Cathode Green (#00ff55)Relative luminance 0.7055

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e43dfa

#b2fa3d · #3dfa86

#3d53fa · #fa3d53

Split-complementary

Open in tool →

#863dfa · #fa3db2

#3db2fa · #e43dfa · #fa863d

Contrast

#53fa3d as textRatioAAAA largeAAAFix
Aaon white
1.39:1failfailfail
  • AA: use #138603 as the text (4.73:1)
  • AAA: use #0e6303 as the text (7.49:1)
  • 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 #53fa3d 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 #53fa3d
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 #53fa3d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/53fa3d-a2bea2-884edf-1f2d24-eef1e9?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