Color

#3bc458

#3bc458
hex#3bc458
rgbrgb(59, 196, 88)
hslhsl(133, 54%, 50%)
oklchoklch(0.724 0.189 146.9)
Closest name: Battletoad (#11cc55)Relative luminance 0.4111

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c43ba7

#62c43b · #3bc49d

#583bc4 · #c4583b

Split-complementary

Open in tool →

#9d3bc4 · #c43b62

#3b62c4 · #c43ba7 · #c49d3b

Contrast

#3bc458 as textRatioAAAA largeAAAFix
Aaon white
2.28:1failfailfail
  • AA: use #28863c as the text (4.6:1)
  • AAA: use #1e662e as the text (7.01:1)
  • AA: or shift the background to #404040 (4.55:1)
  • AAA: or shift the background to #212121 (7.07:1)
Aaon black
9.22:1passpasspassPasses 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 #3bc458 as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #3bc458
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 #3bc458 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bc458-a2beab-b84edf-1f2d28-ebf1e9?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