Color

#20a243

#20a243
hex#20a243
rgbrgb(32, 162, 67)
hslhsl(136, 67%, 38%)
oklchoklch(0.625 0.173 147.3)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.2655

Colors that go with #20a243

Charcoal, Blue and Crimson 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 →

#a2207f

#3ea220 · #20a284

#4320a2 · #a24320

Split-complementary

Open in tool →

#8420a2 · #a2203e

#203ea2 · #a2207f · #a28420

Contrast

#20a243 as textRatioAAAA largeAAAFix
Aaon white
3.33:1failpassfail
  • AA: use #1b8838 as the text (4.54:1)
  • AAA: use #14662a as the text (7.09:1)
  • AA: or shift the background to #262626 (4.55:1)
Aaon black
6.31:1passpassfail
  • AAA: use #23af48 as the text (7.3:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #20a243 as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #20a243
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 #20a243 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/20a243-a2bead-b959d4-1f2d29-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