Color

#59cf2a

#59cf2a
hex#59cf2a
rgbrgb(89, 207, 42)
hslhsl(103, 66%, 49%)
oklchoklch(0.757 0.221 138.9)
Closest name: Blinking Terminal (#66cc00)Relative luminance 0.4692

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a12acf

#accf2a · #2acf4e

#2a59cf · #cf2a59

Split-complementary

Open in tool →

#4e2acf · #cf2aac

#2aaccf · #a12acf · #cf4e2a

Contrast

#59cf2a as textRatioAAAA largeAAAFix
Aaon white
2.02:1failfailfail
  • AA: use #3a871c as the text (4.5:1)
  • AAA: use #2a6114 as the text (7.45:1)
  • AA: or shift the background to #474747 (4.59:1)
  • AAA: or shift the background to #2b2b2b (7:1)
Aaon black
10.38:1passpasspassPasses 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 #59cf2a as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #59cf2a
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 #59cf2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/59cf2a-a6bea2-704edf-1f2d21-eff1e9?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