Color

#20cb45

#20cb45
hex#20cb45
rgbrgb(32, 203, 69)
hslhsl(133, 73%, 46%)
oklchoklch(0.735 0.219 145.5)
Closest name: Alienated (#00cc55)Relative luminance 0.4345

Colors that go with #20cb45

Charcoal, Royal Blue and Taupe lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cb20a6

#50cb20 · #20cb9a

#4520cb · #cb4520

Split-complementary

Open in tool →

#9a20cb · #cb2050

#2050cb · #cb20a6 · #cb9a20

Contrast

#20cb45 as textRatioAAAA largeAAAFix
Aaon white
2.17:1failfailfail
  • AA: use #15892e as the text (4.52:1)
  • AAA: use #106522 as the text (7.22:1)
  • AA: or shift the background to #424242 (4.64:1)
  • AAA: or shift the background to #242424 (7.16:1)
Aaon black
9.69:1passpasspassPasses 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 #20cb45 as the background.

Brands using this color

mcpConnect your agent — build around #20cb45
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #20cb45 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/20cb45-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