Color

Emerald

#028f1e
hex#028f1e
rgbrgb(2, 143, 30)
hslhsl(132, 97%, 28%)
oklchoklch(0.565 0.181 144.2)
Relative luminance 0.1975

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8d0271

#2c8d02 · #028d63

#1e028d · #8d1e02

Split-complementary

Open in tool →

#63028d · #8d022c

#022c8d · #8d0271 · #8d6302

Contrast

Emerald as textRatioAAAA largeAAAFix
Aaon white
4.24:1failpassfail
  • AA: use #02881d as the text (4.62:1)
  • AAA: use #026415 as the text (7.4:1)
  • AA: or shift the background to #0f0f0f (4.52:1)
Aaon black
4.95:1passpassfail
  • AAA: use #03b025 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 Emerald as the background.

Brands using this color

Fonts for this mood

Emerald reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around Emerald
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 #028f1e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/028f1e-a2beab-b64edf-1f2d28-ecf1e9?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