Color

#458c54

#458c54
hex#458c54
rgbrgb(69, 140, 84)
hslhsl(133, 34%, 41%)
oklchoklch(0.579 0.112 148.8)
Closest name: seagreen (#2e8b57)Relative luminance 0.2066

Colors that go with #458c54

Charcoal, Royal Blue and Copper 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 →

#8c457d

#598c45 · #458c78

#54458c · #8c5445

Split-complementary

Open in tool →

#78458c · #8c4559

#45598c · #8c457d · #8c7845

Contrast

#458c54 as textRatioAAAA largeAAAFix
Aaon white
4.09:1failpassfail
  • AA: use #40824e as the text (4.64:1)
  • AAA: use #31633c as the text (7.05:1)
  • AA: or shift the background to #141414 (4.5:1)
Aaon black
5.13:1passpassfail
  • AAA: use #52a765 as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #458c54 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 #458c54
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 #458c54 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/458c54-a2beab-b84edf-1f2d28-ebf1e9?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