Color

#28af8d

#28af8d
hex#28af8d
rgbrgb(40, 175, 141)
hslhsl(165, 63%, 42%)
oklchoklch(0.676 0.123 171.1)
Closest name: Hobgoblin (#01ad8f)Relative luminance 0.3303

Tints & shades

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

Harmonies

Complementary

Open in tool →

#af2849

#28af49 · #288daf

#8d28af · #af8d28

Split-complementary

Open in tool →

#af288d · #af4928

#4928af · #af2849 · #8daf28

Contrast

#28af8d as textRatioAAAA largeAAAFix
Aaon white
2.76:1failfailfail
  • AA: use #1e856b as the text (4.54:1)
  • AAA: use #176450 as the text (7.06:1)
  • AA: or shift the background to #333333 (4.58:1)
  • AAA: or shift the background to #0d0d0d (7.04:1)
Aaon black
7.61:1passpasspassPasses 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 #28af8d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #28af8d
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 #28af8d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28af8d-a2beba-d459b3-1f2b2d-e9f1eb?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