Color

#128178

#128178
hex#128178
rgbrgb(18, 129, 120)
hslhsl(175, 76%, 29%)
oklchoklch(0.545 0.092 186.1)
Closest name: teal (#008080)Relative luminance 0.1719

Tints & shades

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

Harmonies

Complementary

Open in tool →

#82121b

#128241 · #125382

#791282 · #827912

Split-complementary

Open in tool →

#821253 · #824112

#411282 · #82121b · #538212

Contrast

#128178 as textRatioAAAA largeAAAFix
Aaon white
4.73:1passpassfail
  • AAA: use #0d635c as the text (7.1:1)
Aaon black
4.44:1failpassfail
  • AA: use #12877d as the text (4.79:1)
  • AAA: use #17ab9e as the text (7.36:1)
  • AA: or shift the background to #fafafa (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #128178 as the background.

Brands using this color

Fonts for this mood

#128178 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #128178
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 #128178 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/128178-a2bdbe-d4599f-1f282d-e9f1ed?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