Color

#28ab17

#28ab17
hex#28ab17
rgbrgb(40, 171, 23)
hslhsl(113, 76%, 38%)
oklchoklch(0.647 0.207 141.7)
Closest name: Always Greener Grass (#11aa00)Relative luminance 0.2964

Colors that go with #28ab17

Blue, Dodger 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 →

#9917ab

#72ab17 · #17ab50

#1728ab · #ab1728

Split-complementary

Open in tool →

#5017ab · #ab1772

#1772ab · #9917ab · #ab5017

Contrast

#28ab17 as textRatioAAAA largeAAAFix
Aaon white
3.03:1failpassfail
  • AA: use #208712 as the text (4.63:1)
  • AAA: use #18670e as the text (7.03:1)
  • AA: or shift the background to #2b2b2b (4.67:1)
Aaon black
6.93:1passpassfail
  • AAA: use #2aaf18 as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28ab17 as the background.

Brands using this color

mcpConnect your agent — build around #28ab17
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 #28ab17 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28ab17-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