brandsweets

Color

#258378

#258378
hex#258378
rgbrgb(37, 131, 120)
hslhsl(173, 56%, 33%)
oklchoklch(0.554 0.087 183.7)
Closest name: Emerald Whispers (#2b8478)Relative luminance 0.1798
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
258378832530

#832530

Analogous

Open in tool →
258378258349255f83

#258349 · #255f83

Triadic

Open in tool →
258378782583837825

#782583 · #837825

Split-complementary

Open in tool →
25837883255f834925

#83255f · #834925

Tetradic

Open in tool →
2583784925838325305f8325

#492583 · #832530 · #5f8325

Contrast

#258378 as textRatioAAAA largeAAAFix
Aaon white
4.57:1passpassfail
  • AAA: use #1c635b as the text (7.03:1)
Aaon black
4.6:1passpassfail
  • AAA: use #2fa799 as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #258378 as the background.

Brands using this color

mcpConnect your agent — build around #258378
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 #258378 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/258378-a2bebe-d459a3-1f292d-e9f1ec?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